222525516 has 24 divisors (see below), whose sum is σ = 531302464. Its totient is φ = 72450000.

The previous prime is 222525509. The next prime is 222525539. The reversal of 222525516 is 615525222.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 215110 + ... + 216141.

Almost surely, 2^222525516 is an apocalyptic number.

It is an amenable number.

222525516 is an abundant number, since it is smaller than the sum of its proper divisors (308776948).

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

222525516 is a wasteful number, since it uses less digits than its factorization.

222525516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431301 (or 431299 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 222525516 is about 14917.2891639198. The cubic root of 222525516 is about 605.9822996932.

The spelling of 222525516 in words is "two hundred twenty-two million, five hundred twenty-five thousand, five hundred sixteen".