22936961647 has 2 divisors, whose sum is σ = 22936961648. Its totient is φ = 22936961646.

The previous prime is 22936961639. The next prime is 22936961681. The reversal of 22936961647 is 74616963922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22936961647 - 2³ = 22936961639 is a prime.

It is a super-2 number, since 2×22936961647² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22936961627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11468480823 + 11468480824.

It is an arithmetic number, because the mean of its divisors is an integer number (11468480824).

Almost surely, 2^22936961647 is an apocalyptic number.

22936961647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22936961647 is an equidigital number, since it uses as much as digits as its factorization.

22936961647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 55.

The spelling of 22936961647 in words is "twenty-two billion, nine hundred thirty-six million, nine hundred sixty-one thousand, six hundred forty-seven".