22432940 has 24 divisors (see below), whose sum is σ = 47815152. Its totient is φ = 8838720.

The previous prime is 22432931. The next prime is 22432951. The reversal of 22432940 is 4923422.

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, 7031 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (1992298).

Almost surely, 2^22432940 is an apocalyptic number.

22432940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22432940 is an abundant number, since it is smaller than the sum of its proper divisors (25382212).

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

22432940 is a wasteful number, since it uses less digits than its factorization.

22432940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16817 (or 16815 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22432940 is about 4736.3424707257. The cubic root of 22432940 is about 282.0300589993.

The spelling of 22432940 in words is "twenty-two million, four hundred thirty-two thousand, nine hundred forty".