22915600 has 60 divisors (see below), whose sum is σ = 56045520. Its totient is φ = 9001600.

The previous prime is 22915591. The next prime is 22915619. The reversal of 22915600 is 651922.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 11 ways as a sum of consecutive naturals, for example, 23115 + ... + 24085.

It is an arithmetic number, because the mean of its divisors is an integer number (934092).

Almost surely, 2^22915600 is an apocalyptic number.

22915600 is a gapful number since it is divisible by the number (20) 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 22915600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28022760).

22915600 is an abundant number, since it is smaller than the sum of its proper divisors (33129920).

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

22915600 is a wasteful number, since it uses less digits than its factorization.

22915600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 22915600 is about 4787.0241277854. The cubic root of 22915600 is about 284.0384131074.

The spelling of 22915600 in words is "twenty-two million, nine hundred fifteen thousand, six hundred".