222358872 has 64 divisors (see below), whose sum is σ = 565044480. Its totient is φ = 72911232.

The previous prime is 222358841. The next prime is 222358879. The reversal of 222358872 is 278853222.

It is a super-2 number, since 2×222358872² = 98886935914224768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222358872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222358879) 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 15 ways as a sum of consecutive naturals, for example, 724143 + ... + 724449.

It is an arithmetic number, because the mean of its divisors is an integer number (8828820).

Almost surely, 2^222358872 is an apocalyptic number.

It is an amenable number.

222358872 is an abundant number, since it is smaller than the sum of its proper divisors (342685608).

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

222358872 is a wasteful number, since it uses less digits than its factorization.

222358872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 708 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 222358872 is about 14911.7025184920. The cubic root of 222358872 is about 605.8309934001.

The spelling of 222358872 in words is "two hundred twenty-two million, three hundred fifty-eight thousand, eight hundred seventy-two".