22914440 has 32 divisors (see below), whose sum is σ = 53801280. Its totient is φ = 8766912.

The previous prime is 22914439. The next prime is 22914457. The reversal of 22914440 is 4441922.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11534 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (1681290).

Almost surely, 2^22914440 is an apocalyptic number.

22914440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22914440 is an abundant number, since it is smaller than the sum of its proper divisors (30886840).

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

22914440 is a wasteful number, since it uses less digits than its factorization.

22914440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24941 (or 24937 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22914440 is about 4786.9029653838. The cubic root of 22914440 is about 284.0336203007.

The spelling of 22914440 in words is "twenty-two million, nine hundred fourteen thousand, four hundred forty".