22249264 has 20 divisors (see below), whose sum is σ = 44595360. Its totient is φ = 10740800.

The previous prime is 22249231. The next prime is 22249267. The reversal of 22249264 is 46294222.

It is not an unprimeable number, because it can be changed into a prime (22249267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23512 + ... + 24439.

It is an arithmetic number, because the mean of its divisors is an integer number (2229768).

Almost surely, 2^22249264 is an apocalyptic number.

It is an amenable number.

22249264 is an abundant number, since it is smaller than the sum of its proper divisors (22346096).

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

22249264 is a wasteful number, since it uses less digits than its factorization.

22249264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47988 (or 47982 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 22249264 is about 4716.9125495392. The cubic root of 22249264 is about 281.2582151345.

The spelling of 22249264 in words is "twenty-two million, two hundred forty-nine thousand, two hundred sixty-four".