22864243 has 2 divisors, whose sum is σ = 22864244. Its totient is φ = 22864242.

The previous prime is 22864223. The next prime is 22864273. The reversal of 22864243 is 34246822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22864243 - 2¹⁷ = 22733171 is a prime.

It is not a weakly prime, because it can be changed into another prime (22864213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11432121 + 11432122.

It is an arithmetic number, because the mean of its divisors is an integer number (11432122).

Almost surely, 2^22864243 is an apocalyptic number.

22864243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22864243 is an equidigital number, since it uses as much as digits as its factorization.

22864243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The square root of 22864243 is about 4781.6569303956. The cubic root of 22864243 is about 283.8260647247.

The spelling of 22864243 in words is "twenty-two million, eight hundred sixty-four thousand, two hundred forty-three".