22651256347297 has 2 divisors, whose sum is σ = 22651256347298. Its totient is φ = 22651256347296.

The previous prime is 22651256347283. The next prime is 22651256347397. The reversal of 22651256347297 is 79274365215622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11649722622561 + 11001533724736 = 3413169^2 + 3316856^2 .

It is a cyclic number.

It is not a de Polignac number, because 22651256347297 - 2³¹ = 22649108863649 is a prime.

It is a super-2 number, since 2×22651256347297² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22651256347267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11325628173648 + 11325628173649.

It is an arithmetic number, because the mean of its divisors is an integer number (11325628173649).

Almost surely, 2^{22651256347297} is an apocalyptic number.

It is an amenable number.

22651256347297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22651256347297 is an equidigital number, since it uses as much as digits as its factorization.

22651256347297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 61.

The spelling of 22651256347297 in words is "twenty-two trillion, six hundred fifty-one billion, two hundred fifty-six million, three hundred forty-seven thousand, two hundred ninety-seven".