22092728 has 24 divisors (see below), whose sum is σ = 48187800. Its totient is φ = 9468144.

The previous prime is 22092703. The next prime is 22092731. The reversal of 22092728 is 82729022.

It is a junction number, because it is equal to n+sod(n) for n = 22092694 and 22092703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27788 + ... + 28571.

It is an arithmetic number, because the mean of its divisors is an integer number (2007825).

Almost surely, 2^22092728 is an apocalyptic number.

22092728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22092728 is an abundant number, since it is smaller than the sum of its proper divisors (26095072).

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

22092728 is a wasteful number, since it uses less digits than its factorization.

22092728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56379 (or 56368 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22092728 is about 4700.2902038066. The cubic root of 22092728 is about 280.5970592863.

The spelling of 22092728 in words is "twenty-two million, ninety-two thousand, seven hundred twenty-eight".