22864117 has 2 divisors, whose sum is σ = 22864118. Its totient is φ = 22864116.

The previous prime is 22864109. The next prime is 22864123. The reversal of 22864117 is 71146822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18028516 + 4835601 = 4246^2 + 2199^2 .

It is a cyclic number.

It is not a de Polignac number, because 22864117 - 2³ = 22864109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22864157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11432058 + 11432059.

It is an arithmetic number, because the mean of its divisors is an integer number (11432059).

Almost surely, 2^22864117 is an apocalyptic number.

It is an amenable number.

22864117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22864117 is an equidigital number, since it uses as much as digits as its factorization.

22864117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 22864117 is about 4781.6437550282. The cubic root of 22864117 is about 283.8255433553.

The spelling of 22864117 in words is "twenty-two million, eight hundred sixty-four thousand, one hundred seventeen".