22699973 has 2 divisors, whose sum is σ = 22699974. Its totient is φ = 22699972.

The previous prime is 22699961. The next prime is 22699987. The reversal of 22699973 is 37999622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17960644 + 4739329 = 4238^2 + 2177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22699973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22699903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11349986 + 11349987.

It is an arithmetic number, because the mean of its divisors is an integer number (11349987).

Almost surely, 2^22699973 is an apocalyptic number.

It is an amenable number.

22699973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22699973 is an equidigital number, since it uses as much as digits as its factorization.

22699973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The square root of 22699973 is about 4764.4488663433. The cubic root of 22699973 is about 283.1447065927.

The spelling of 22699973 in words is "twenty-two million, six hundred ninety-nine thousand, nine hundred seventy-three".