22311571279457 has 2 divisors, whose sum is σ = 22311571279458. Its totient is φ = 22311571279456.

The previous prime is 22311571279423. The next prime is 22311571279469. The reversal of 22311571279457 is 75497217511322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13731352781056 + 8580218498401 = 3705584^2 + 2929201^2 .

It is a cyclic number.

It is not a de Polignac number, because 22311571279457 - 2⁴² = 17913524768353 is a prime.

It is a super-3 number, since 3×22311571279457³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22311571279057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155785639728 + 11155785639729.

It is an arithmetic number, because the mean of its divisors is an integer number (11155785639729).

Almost surely, 2^{22311571279457} is an apocalyptic number.

It is an amenable number.

22311571279457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22311571279457 is an equidigital number, since it uses as much as digits as its factorization.

22311571279457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7408800, while the sum is 56.

The spelling of 22311571279457 in words is "twenty-two trillion, three hundred eleven billion, five hundred seventy-one million, two hundred seventy-nine thousand, four hundred fifty-seven".