22264290 has 24 divisors (see below), whose sum is σ = 57887388. Its totient is φ = 5937120.

The previous prime is 22264283. The next prime is 22264309. The reversal of 22264290 is 9246222.

It can be written as a sum of positive squares in 2 ways, for example, as 21706281 + 558009 = 4659^2 + 747^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123601 + ... + 123780.

Almost surely, 2^22264290 is an apocalyptic number.

22264290 is an abundant number, since it is smaller than the sum of its proper divisors (35623098).

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

22264290 is a wasteful number, since it uses less digits than its factorization.

22264290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247394 (or 247391 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 22264290 is about 4718.5050598680. The cubic root of 22264290 is about 281.3215166279.

The spelling of 22264290 in words is "twenty-two million, two hundred sixty-four thousand, two hundred ninety".