22694928 has 80 divisors (see below), whose sum is σ = 62365056. Its totient is φ = 7096320.

The previous prime is 22694923. The next prime is 22694941. The reversal of 22694928 is 82949622.

Its product of digits (124416) is a multiple of the sum of its prime factors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 22694928.

It is not an unprimeable number, because it can be changed into a prime (22694921) 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, 67176 + ... + 67512.

Almost surely, 2^22694928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22694928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31182528).

22694928 is an abundant number, since it is smaller than the sum of its proper divisors (39670128).

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

22694928 is a wasteful number, since it uses less digits than its factorization.

22694928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 426 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 22694928 is about 4763.9193947841. The cubic root of 22694928 is about 283.1237290218.

The spelling of 22694928 in words is "twenty-two million, six hundred ninety-four thousand, nine hundred twenty-eight".