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1222014222 = 2331113198329
BaseRepresentation
bin100100011010110…
…0111010100001110
310011011102202101000
41020311213110032
510000313423342
6321132001130
742165643452
oct11065472416
93134382330
101222014222
11577882410
122a13001a6
13166231650
14b8420662
157243844c
hex48d6750e

1222014222 has 128 divisors (see below), whose sum is σ = 3358656000. Its totient is φ = 323792640.

The previous prime is 1222014197. The next prime is 1222014253. The reversal of 1222014222 is 2224102221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1222014195 and 1222014204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142554 + ... + 150882.

It is an arithmetic number, because the mean of its divisors is an integer number (26239500).

Almost surely, 21222014222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222014222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679328000).

1222014222 is an abundant number, since it is smaller than the sum of its proper divisors (2136641778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222014222 is a wasteful number, since it uses less digits than its factorization.

1222014222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383 (or 8377 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1222014222 is about 34957.3200059730. The cubic root of 1222014222 is about 1069.1174549346.

Adding to 1222014222 its reverse (2224102221), we get a palindrome (3446116443).

The spelling of 1222014222 in words is "one billion, two hundred twenty-two million, fourteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 13 18 19 22 26 27 33 38 39 54 57 66 78 99 114 117 143 171 198 209 234 247 286 297 342 351 418 429 494 513 594 627 702 741 858 1026 1254 1287 1482 1881 2223 2574 2717 3762 3861 4446 5434 5643 6669 7722 8151 8329 11286 13338 16302 16658 24453 24987 48906 49974 73359 74961 91619 108277 146718 149922 158251 183238 216554 224883 274857 316502 324831 449766 474753 549714 649662 824571 949506 974493 1191047 1424259 1649142 1740761 1948986 2057263 2382094 2473713 2848518 2923479 3481522 3573141 4114526 4272777 4947426 5222283 5846958 6171789 7146282 8545554 10444566 10719423 12343578 15666849 18515367 21438846 22629893 31333698 32158269 37030734 45259786 47000547 55546101 64316538 67889679 94001094 111092202 135779358 203669037 407338074 611007111 1222014222