22928620 has 48 divisors (see below), whose sum is σ = 56575008. Its totient is φ = 7695360.

The previous prime is 22928617. The next prime is 22928629. The reversal of 22928620 is 2682922.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22928629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149 + ... + 6868.

It is an arithmetic number, because the mean of its divisors is an integer number (1178646).

Almost surely, 2^22928620 is an apocalyptic number.

22928620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22928620 is an abundant number, since it is smaller than the sum of its proper divisors (33646388).

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

22928620 is a wasteful number, since it uses less digits than its factorization.

22928620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050 (or 8048 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22928620 is about 4788.3838609702. The cubic root of 22928620 is about 284.0921971374.

The spelling of 22928620 in words is "twenty-two million, nine hundred twenty-eight thousand, six hundred twenty".