22541023157 has 2 divisors, whose sum is σ = 22541023158. Its totient is φ = 22541023156.

The previous prime is 22541023121. The next prime is 22541023171. The reversal of 22541023157 is 75132014522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15419182276 + 7121840881 = 124174^2 + 84391^2 .

It is a cyclic number.

It is not a de Polignac number, because 22541023157 - 2²⁰ = 22539974581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22541023457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270511578 + 11270511579.

It is an arithmetic number, because the mean of its divisors is an integer number (11270511579).

Almost surely, 2^22541023157 is an apocalyptic number.

It is an amenable number.

22541023157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541023157 is an equidigital number, since it uses as much as digits as its factorization.

22541023157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 22541023157 its reverse (75132014522), we get a palindrome (97673037679).

The spelling of 22541023157 in words is "twenty-two billion, five hundred forty-one million, twenty-three thousand, one hundred fifty-seven".