22633913 has 2 divisors, whose sum is σ = 22633914. Its totient is φ = 22633912.

The previous prime is 22633903. The next prime is 22633951. The reversal of 22633913 is 31933622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 327184 = 4723^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 22633913 - 2²⁰ = 21585337 is a prime.

It is not a weakly prime, because it can be changed into another prime (22633903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11316956 + 11316957.

It is an arithmetic number, because the mean of its divisors is an integer number (11316957).

Almost surely, 2^22633913 is an apocalyptic number.

It is an amenable number.

22633913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22633913 is an equidigital number, since it uses as much as digits as its factorization.

22633913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

The square root of 22633913 is about 4757.5112191145. The cubic root of 22633913 is about 282.8697765600.

The spelling of 22633913 in words is "twenty-two million, six hundred thirty-three thousand, nine hundred thirteen".