22650529157 has 2 divisors, whose sum is σ = 22650529158. Its totient is φ = 22650529156.

The previous prime is 22650529079. The next prime is 22650529169. The reversal of 22650529157 is 75192505622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16142718916 + 6507810241 = 127054^2 + 80671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22650529157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22650529177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11325264578 + 11325264579.

It is an arithmetic number, because the mean of its divisors is an integer number (11325264579).

Almost surely, 2^22650529157 is an apocalyptic number.

It is an amenable number.

22650529157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22650529157 is an equidigital number, since it uses as much as digits as its factorization.

22650529157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 22650529157 in words is "twenty-two billion, six hundred fifty million, five hundred twenty-nine thousand, one hundred fifty-seven".