223056899522 has 16 divisors (see below), whose sum is σ = 338378624280. Its totient is φ = 110264275968.

The previous prime is 223056899509. The next prime is 223056899557. The reversal of 223056899522 is 225998650322.

It is a Cunningham number, because it is equal to 472289²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 223056899521 + 1 = 472289^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889498 + ... + 2004074.

Almost surely, 2^223056899522 is an apocalyptic number.

223056899522 is a deficient number, since it is larger than the sum of its proper divisors (115321724758).

223056899522 is a wasteful number, since it uses less digits than its factorization.

223056899522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125605.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 223056899522 in words is "two hundred twenty-three billion, fifty-six million, eight hundred ninety-nine thousand, five hundred twenty-two".