22439930 has 16 divisors (see below), whose sum is σ = 40449024. Its totient is φ = 8963280.

The previous prime is 22439929. The next prime is 22439941. The reversal of 22439930 is 3993422.

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, 9575 + ... + 11685.

It is an arithmetic number, because the mean of its divisors is an integer number (2528064).

Almost surely, 2^22439930 is an apocalyptic number.

22439930 is a deficient number, since it is larger than the sum of its proper divisors (18009094).

22439930 is a wasteful number, since it uses less digits than its factorization.

22439930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 22439930 is about 4737.0803244193. The cubic root of 22439930 is about 282.0593490431.

The spelling of 22439930 in words is "twenty-two million, four hundred thirty-nine thousand, nine hundred thirty".