22644104560157 has 2 divisors, whose sum is σ = 22644104560158. Its totient is φ = 22644104560156.

The previous prime is 22644104560139. The next prime is 22644104560177. The reversal of 22644104560157 is 75106540144622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22157534138041 + 486570422116 = 4707179^2 + 697546^2 .

It is a cyclic number.

It is not a de Polignac number, because 22644104560157 - 2³⁶ = 22575385083421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22644104560177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11322052280078 + 11322052280079.

It is an arithmetic number, because the mean of its divisors is an integer number (11322052280079).

Almost surely, 2^{22644104560157} is an apocalyptic number.

It is an amenable number.

22644104560157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22644104560157 is an equidigital number, since it uses as much as digits as its factorization.

22644104560157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 22644104560157 in words is "twenty-two trillion, six hundred forty-four billion, one hundred four million, five hundred sixty thousand, one hundred fifty-seven".