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122253222 = 237131713171
BaseRepresentation
bin1110100100101…
…10111110100110
322112001002220010
413102112332212
5222244100342
620044151050
73013064250
oct722267646
9275032803
10122253222
1163010723
1234b38486
131c4356b0
1412344cd0
15aaed29c
hex7496fa6

122253222 has 64 divisors (see below), whose sum is σ = 318657024. Its totient is φ = 30343680.

The previous prime is 122253199. The next prime is 122253227. The reversal of 122253222 is 222352221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122253227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2697 + ... + 15867.

It is an arithmetic number, because the mean of its divisors is an integer number (4979016).

Almost surely, 2122253222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122253222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159328512).

122253222 is an abundant number, since it is smaller than the sum of its proper divisors (196403802).

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

122253222 is a wasteful number, since it uses less digits than its factorization.

122253222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213.

The product of its digits is 960, while the sum is 21.

The square root of 122253222 is about 11056.8178966645. The cubic root of 122253222 is about 496.3104710512.

The spelling of 122253222 in words is "one hundred twenty-two million, two hundred fifty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 13 14 17 21 26 34 39 42 51 78 91 102 119 182 221 238 273 357 442 546 663 714 1326 1547 3094 4641 9282 13171 26342 39513 79026 92197 171223 184394 223907 276591 342446 447814 513669 553182 671721 1027338 1198561 1343442 1567349 2397122 2910791 3134698 3595683 4702047 5821582 7191366 8732373 9404094 17464746 20375537 40751074 61126611 122253222