22275264 has 112 divisors (see below), whose sum is σ = 65836800. Its totient is φ = 6589440.

The previous prime is 22275263. The next prime is 22275269. The reversal of 22275264 is 46257222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22275263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111837 + ... + 112035.

Almost surely, 2^22275264 is an apocalyptic number.

22275264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22275264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32918400).

22275264 is an abundant number, since it is smaller than the sum of its proper divisors (43561536).

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

22275264 is a wasteful number, since it uses less digits than its factorization.

22275264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 268 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 22275264 is about 4719.6677849188. The cubic root of 22275264 is about 281.3677298725.

The spelling of 22275264 in words is "twenty-two million, two hundred seventy-five thousand, two hundred sixty-four".