22750864 has 40 divisors (see below), whose sum is σ = 46372032. Its totient is φ = 10792320.

The previous prime is 22750853. The next prime is 22750873. The reversal of 22750864 is 46805722.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 77502 + ... + 77794.

Almost surely, 2^22750864 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 22750864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23186016).

22750864 is an abundant number, since it is smaller than the sum of its proper divisors (23621168).

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

22750864 is a wasteful number, since it uses less digits than its factorization.

22750864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 22750864 is about 4769.7865780347. The cubic root of 22750864 is about 283.3561424160.

The spelling of 22750864 in words is "twenty-two million, seven hundred fifty thousand, eight hundred sixty-four".