22028930 has 96 divisors (see below), whose sum is σ = 51907392. Its totient is φ = 6652800.

The previous prime is 22028927. The next prime is 22028953. The reversal of 22028930 is 3982022.

It is a self number, because there is not a number n which added to its sum of digits gives 22028930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328757 + ... + 328823.

It is an arithmetic number, because the mean of its divisors is an integer number (540702).

Almost surely, 2^22028930 is an apocalyptic number.

22028930 is an abundant number, since it is smaller than the sum of its proper divisors (29878462).

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

22028930 is a wasteful number, since it uses less digits than its factorization.

22028930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 22028930 is about 4693.4986950035. The cubic root of 22028930 is about 280.3267019915.

The spelling of 22028930 in words is "twenty-two million, twenty-eight thousand, nine hundred thirty".