22799744 has 32 divisors (see below), whose sum is σ = 49553640. Its totient is φ = 10362880.

The previous prime is 22799741. The next prime is 22799759. The reversal of 22799744 is 44799722.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 22799695 and 22799704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22799741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689 + ... + 9504.

Almost surely, 2^22799744 is an apocalyptic number.

It is an amenable number.

22799744 is an abundant number, since it is smaller than the sum of its proper divisors (26753896).

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

22799744 is a wasteful number, since it uses less digits than its factorization.

22799744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16218 (or 16206 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 22799744 is about 4774.9077478000. The cubic root of 22799744 is about 283.5589265224.

The spelling of 22799744 in words is "twenty-two million, seven hundred ninety-nine thousand, seven hundred forty-four".