22402322057 has 2 divisors, whose sum is σ = 22402322058. Its totient is φ = 22402322056.

The previous prime is 22402322053. The next prime is 22402322147. The reversal of 22402322057 is 75022320422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12819674176 + 9582647881 = 113224^2 + 97891^2 .

It is a cyclic number.

It is not a de Polignac number, because 22402322057 - 2² = 22402322053 is a prime.

It is a super-2 number, since 2×22402322057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22402322051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11201161028 + 11201161029.

It is an arithmetic number, because the mean of its divisors is an integer number (11201161029).

Almost surely, 2^22402322057 is an apocalyptic number.

It is an amenable number.

22402322057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22402322057 is an equidigital number, since it uses as much as digits as its factorization.

22402322057 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 29.

Adding to 22402322057 its reverse (75022320422), we get a palindrome (97424642479).

The spelling of 22402322057 in words is "twenty-two billion, four hundred two million, three hundred twenty-two thousand, fifty-seven".