222959618596 has 135 divisors (see below), whose sum is σ = 468300296247. Its totient is φ = 92812880160.

The previous prime is 222959618549. The next prime is 222959618597. The reversal of 222959618596 is 695816959222.

The square root of 222959618596 is 472186.

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

It can be written as a sum of positive squares in 2 ways, for example, as 110546940196 + 112412678400 = 332486^2 + 335280^2 .

It is a super-2 number, since 2×222959618596² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222959618597) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1755587485 + ... + 1755587611.

Almost surely, 2^222959618596 is an apocalyptic number.

222959618596 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

222959618596 is the 472186-th square number.

It is an amenable number.

222959618596 is an abundant number, since it is smaller than the sum of its proper divisors (245340677651).

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

222959618596 is an equidigital number, since it uses as much as digits as its factorization.

222959618596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 153 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 64.

Multiplying 222959618596 by its sum of digits (64), we get a square (14269415590144 = 3777488²).

The spelling of 222959618596 in words is "two hundred twenty-two billion, nine hundred fifty-nine million, six hundred eighteen thousand, five hundred ninety-six".