22799967 has 4 divisors (see below), whose sum is σ = 30399960. Its totient is φ = 15199976.

The previous prime is 22799957. The next prime is 22799971. The reversal of 22799967 is 76999722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22799967 - 2¹⁰ = 22798943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22799957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3799992 + ... + 3799997.

It is an arithmetic number, because the mean of its divisors is an integer number (7599990).

Almost surely, 2^22799967 is an apocalyptic number.

22799967 is a deficient number, since it is larger than the sum of its proper divisors (7599993).

22799967 is an equidigital number, since it uses as much as digits as its factorization.

22799967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599992.

The product of its digits is 857304, while the sum is 51.

The square root of 22799967 is about 4774.9310989793. The cubic root of 22799967 is about 283.5598509982.

It can be divided in two parts, 2279 and 9967, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 22799967 in words is "twenty-two million, seven hundred ninety-nine thousand, nine hundred sixty-seven".