22112132257 has 2 divisors, whose sum is σ = 22112132258. Its totient is φ = 22112132256.

The previous prime is 22112132249. The next prime is 22112132333. The reversal of 22112132257 is 75223121122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21985772176 + 126360081 = 148276^2 + 11241^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112132257 - 2³ = 22112132249 is a prime.

It is not a weakly prime, because it can be changed into another prime (22112132057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056066128 + 11056066129.

It is an arithmetic number, because the mean of its divisors is an integer number (11056066129).

Almost surely, 2^22112132257 is an apocalyptic number.

It is an amenable number.

22112132257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112132257 is an equidigital number, since it uses as much as digits as its factorization.

22112132257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

Adding to 22112132257 its reverse (75223121122), we get a palindrome (97335253379).

The spelling of 22112132257 in words is "twenty-two billion, one hundred twelve million, one hundred thirty-two thousand, two hundred fifty-seven".