222549264 has 60 divisors (see below), whose sum is σ = 711807616. Its totient is φ = 63585216.

The previous prime is 222549253. The next prime is 222549269. The reversal of 222549264 is 462945222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (222549269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109384 + ... + 111399.

Almost surely, 2^222549264 is an apocalyptic number.

222549264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222549264 is an abundant number, since it is smaller than the sum of its proper divisors (489258352).

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

222549264 is a wasteful number, since it uses less digits than its factorization.

222549264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220804 (or 220795 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 222549264 is about 14918.0851318123. The cubic root of 222549264 is about 606.0038558066.

The spelling of 222549264 in words is "two hundred twenty-two million, five hundred forty-nine thousand, two hundred sixty-four".