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1222034020 = 225193215879
BaseRepresentation
bin100100011010110…
…1100001001100100
310011011110202112021
41020311230021210
510000320042040
6321132232524
742166055254
oct11065541144
93134422467
101222034020
11577896279
122a130b744
1316623a66c
14b8427964
157243e24a
hex48d6c264

1222034020 has 24 divisors (see below), whose sum is σ = 2701339200. Its totient is φ = 463086432.

The previous prime is 1222034003. The next prime is 1222034027. The reversal of 1222034020 is 204302221.

It is a junction number, because it is equal to n+sod(n) for n = 1222033985 and 1222034003.

It is not an unprimeable number, because it can be changed into a prime (1222034027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607560 + ... + 1608319.

It is an arithmetic number, because the mean of its divisors is an integer number (112555800).

Almost surely, 21222034020 is an apocalyptic number.

1222034020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222034020 is an abundant number, since it is smaller than the sum of its proper divisors (1479305180).

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

1222034020 is a wasteful number, since it uses less digits than its factorization.

1222034020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215907 (or 3215905 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1222034020 is about 34957.6031787078. The cubic root of 1222034020 is about 1069.1232285371.

Adding to 1222034020 its reverse (204302221), we get a palindrome (1426336241).

The spelling of 1222034020 in words is "one billion, two hundred twenty-two million, thirty-four thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3215879 6431758 12863516 16079395 32158790 61101701 64317580 122203402 244406804 305508505 611017010 1222034020