22931930 has 16 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 7862352.

The previous prime is 22931921. The next prime is 22931933. The reversal of 22931930 is 3913922.

It is a junction number, because it is equal to n+sod(n) for n = 22931893 and 22931902.

It is not an unprimeable number, because it can be changed into a prime (22931933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163730 + ... + 163869.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^22931930 is an apocalyptic number.

22931930 is an abundant number, since it is smaller than the sum of its proper divisors (24242470).

22931930 is a wasteful number, since it uses less digits than its factorization.

22931930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327613.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 22931930 is about 4788.7294765940. The cubic root of 22931930 is about 284.1058670970.

The spelling of 22931930 in words is "twenty-two million, nine hundred thirty-one thousand, nine hundred thirty".