22864879 has 2 divisors, whose sum is σ = 22864880. Its totient is φ = 22864878.

The previous prime is 22864861. The next prime is 22864913. The reversal of 22864879 is 97846822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22864879 - 2¹⁵ = 22832111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22864579) 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 as a sum of consecutive naturals, namely, 11432439 + 11432440.

It is an arithmetic number, because the mean of its divisors is an integer number (11432440).

Almost surely, 2^22864879 is an apocalyptic number.

22864879 is a deficient number, since it is larger than the sum of its proper divisors (1).

22864879 is an equidigital number, since it uses as much as digits as its factorization.

22864879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 22864879 is about 4781.7234340769. The cubic root of 22864879 is about 283.8286963695.

The spelling of 22864879 in words is "twenty-two million, eight hundred sixty-four thousand, eight hundred seventy-nine".