22160242157 has 2 divisors, whose sum is σ = 22160242158. Its totient is φ = 22160242156.

The previous prime is 22160242141. The next prime is 22160242219. The reversal of 22160242157 is 75124206122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17499585796 + 4660656361 = 132286^2 + 68269^2 .

It is a cyclic number.

It is not a de Polignac number, because 22160242157 - 2⁴ = 22160242141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22160242457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11080121078 + 11080121079.

It is an arithmetic number, because the mean of its divisors is an integer number (11080121079).

Almost surely, 2^22160242157 is an apocalyptic number.

It is an amenable number.

22160242157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22160242157 is an equidigital number, since it uses as much as digits as its factorization.

22160242157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 22160242157 its reverse (75124206122), we get a palindrome (97284448279).

The spelling of 22160242157 in words is "twenty-two billion, one hundred sixty million, two hundred forty-two thousand, one hundred fifty-seven".