22799145 has 16 divisors (see below), whose sum is σ = 38399040. Its totient is φ = 11519424.

The previous prime is 22799137. The next prime is 22799149. The reversal of 22799145 is 54199722.

It is not a de Polignac number, because 22799145 - 2³ = 22799137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22799149) 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, 39714 + ... + 40283.

It is an arithmetic number, because the mean of its divisors is an integer number (2399940).

Almost surely, 2^22799145 is an apocalyptic number.

It is an amenable number.

22799145 is a deficient number, since it is larger than the sum of its proper divisors (15599895).

22799145 is a wasteful number, since it uses less digits than its factorization.

22799145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80024.

The product of its digits is 45360, while the sum is 39.

The square root of 22799145 is about 4774.8450236631. The cubic root of 22799145 is about 283.5564432594.

The spelling of 22799145 in words is "twenty-two million, seven hundred ninety-nine thousand, one hundred forty-five".