22692913 has 2 divisors, whose sum is σ = 22692914. Its totient is φ = 22692912.

The previous prime is 22692911. The next prime is 22692941. The reversal of 22692913 is 31929622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21594609 + 1098304 = 4647^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 22692913 - 2¹ = 22692911 is a prime.

Together with 22692911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22692911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11346456 + 11346457.

It is an arithmetic number, because the mean of its divisors is an integer number (11346457).

Almost surely, 2^22692913 is an apocalyptic number.

It is an amenable number.

22692913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22692913 is an equidigital number, since it uses as much as digits as its factorization.

22692913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 22692913 is about 4763.7079045634. The cubic root of 22692913 is about 283.1153495989.

It can be divided in two parts, 226 and 92913, that added together give a palindrome (93139).

The spelling of 22692913 in words is "twenty-two million, six hundred ninety-two thousand, nine hundred thirteen".