222602788864 has 153 divisors (see below), whose sum is σ = 474761050857. Its totient is φ = 104356380672.

The previous prime is 222602788847. The next prime is 222602788871. The reversal of 222602788864 is 468887206222.

The square root of 222602788864 is 471808.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 99957145600 + 122645643264 = 316160^2 + 350208^2 .

It is a super-2 number, since 2×222602788864² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2294874064 + ... + 2294874160.

Almost surely, 2^222602788864 is an apocalyptic number.

222602788864 is the 471808-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222602788864

222602788864 is an abundant number, since it is smaller than the sum of its proper divisors (252158261993).

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

222602788864 is an frugal number, since it uses more digits than its factorization.

222602788864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 55.

The spelling of 222602788864 in words is "two hundred twenty-two billion, six hundred two million, seven hundred eighty-eight thousand, eight hundred sixty-four".