22822728 has 16 divisors (see below), whose sum is σ = 57056880. Its totient is φ = 7607568.

The previous prime is 22822697. The next prime is 22822733. The reversal of 22822728 is 82722822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475450 + ... + 475497.

It is an arithmetic number, because the mean of its divisors is an integer number (3566055).

Almost surely, 2^22822728 is an apocalyptic number.

It is an amenable number.

22822728 is an abundant number, since it is smaller than the sum of its proper divisors (34234152).

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

22822728 is a wasteful number, since it uses less digits than its factorization.

22822728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950956 (or 950952 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 22822728 is about 4777.3138896246. The cubic root of 22822728 is about 283.6541780246.

The spelling of 22822728 in words is "twenty-two million, eight hundred twenty-two thousand, seven hundred twenty-eight".