22267264 has 32 divisors (see below), whose sum is σ = 45453240. Its totient is φ = 10859520.

The previous prime is 22267253. The next prime is 22267277. The reversal of 22267264 is 46276222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3127 + ... + 7369.

Almost surely, 2^22267264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22267264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22726620).

22267264 is an abundant number, since it is smaller than the sum of its proper divisors (23185976).

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

22267264 is an equidigital number, since it uses as much as digits as its factorization.

22267264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298 (or 4286 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 22267264 is about 4718.8201915309. The cubic root of 22267264 is about 281.3340421107.

The spelling of 22267264 in words is "twenty-two million, two hundred sixty-seven thousand, two hundred sixty-four".