22799328 has 48 divisors (see below), whose sum is σ = 60991056. Its totient is φ = 7454720.

The previous prime is 22799327. The next prime is 22799333. The reversal of 22799328 is 82399722.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 22799328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22799327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2848 + ... + 7328.

It is an arithmetic number, because the mean of its divisors is an integer number (1270647).

Almost surely, 2^22799328 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 22799328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30495528).

22799328 is an abundant number, since it is smaller than the sum of its proper divisors (38191728).

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

22799328 is a wasteful number, since it uses less digits than its factorization.

22799328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547 (or 4539 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 22799328 is about 4774.8641865502. The cubic root of 22799328 is about 283.5572019237.

The spelling of 22799328 in words is "twenty-two million, seven hundred ninety-nine thousand, three hundred twenty-eight".