22028934 has 16 divisors (see below), whose sum is σ = 44283888. Its totient is φ = 7305312.

The previous prime is 22028927. The next prime is 22028953. The reversal of 22028934 is 43982022.

It is a congruent number.

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, 8137 + ... + 10500.

It is an arithmetic number, because the mean of its divisors is an integer number (2767743).

Almost surely, 2^22028934 is an apocalyptic number.

22028934 is an abundant number, since it is smaller than the sum of its proper divisors (22254954).

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

22028934 is a wasteful number, since it uses less digits than its factorization.

22028934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18839.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 22028934 is about 4693.4991211249. The cubic root of 22028934 is about 280.3267189587.

Subtracting from 22028934 its product of nonzero digits (6912), we obtain a palindrome (22022022).

The spelling of 22028934 in words is "twenty-two million, twenty-eight thousand, nine hundred thirty-four".