22640706017 has 2 divisors, whose sum is σ = 22640706018. Its totient is φ = 22640706016.

The previous prime is 22640706007. The next prime is 22640706037. The reversal of 22640706017 is 71060704622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17723330641 + 4917375376 = 133129^2 + 70124^2 .

It is a cyclic number.

It is not a de Polignac number, because 22640706017 - 2¹² = 22640701921 is a prime.

It is not a weakly prime, because it can be changed into another prime (22640706007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11320353008 + 11320353009.

It is an arithmetic number, because the mean of its divisors is an integer number (11320353009).

Almost surely, 2^22640706017 is an apocalyptic number.

It is an amenable number.

22640706017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22640706017 is an equidigital number, since it uses as much as digits as its factorization.

22640706017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 22640706017 in words is "twenty-two billion, six hundred forty million, seven hundred six thousand, seventeen".