22756899029 has 2 divisors, whose sum is σ = 22756899030. Its totient is φ = 22756899028.

The previous prime is 22756899017. The next prime is 22756899163. The reversal of 22756899029 is 92099865722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19862674225 + 2894224804 = 140935^2 + 53798^2 .

It is a cyclic number.

It is not a de Polignac number, because 22756899029 - 2²⁸ = 22488463573 is a prime.

It is a super-2 number, since 2×22756899029² (a number of 22 digits) contains 22 as substring.

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 (22756899829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11378449514 + 11378449515.

It is an arithmetic number, because the mean of its divisors is an integer number (11378449515).

Almost surely, 2^22756899029 is an apocalyptic number.

It is an amenable number.

22756899029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22756899029 is an equidigital number, since it uses as much as digits as its factorization.

22756899029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 22756899029 in words is "twenty-two billion, seven hundred fifty-six million, eight hundred ninety-nine thousand, twenty-nine".