22569137 has 2 divisors, whose sum is σ = 22569138. Its totient is φ = 22569136.

The previous prime is 22569119. The next prime is 22569139. The reversal of 22569137 is 73196522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20286016 + 2283121 = 4504^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 22569137 - 2¹² = 22565041 is a prime.

Together with 22569139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22569097 and 22569106.

It is not a weakly prime, because it can be changed into another prime (22569139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11284568 + 11284569.

It is an arithmetic number, because the mean of its divisors is an integer number (11284569).

Almost surely, 2^22569137 is an apocalyptic number.

It is an amenable number.

22569137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22569137 is an equidigital number, since it uses as much as digits as its factorization.

22569137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 22569137 is about 4750.6985802090. The cubic root of 22569137 is about 282.5996703675.

The spelling of 22569137 in words is "twenty-two million, five hundred sixty-nine thousand, one hundred thirty-seven".