22717482989731 has 2 divisors, whose sum is σ = 22717482989732. Its totient is φ = 22717482989730.

The previous prime is 22717482989717. The next prime is 22717482989779. The reversal of 22717482989731 is 13798928471722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22717482989731 - 2⁹ = 22717482989219 is a prime.

It is a super-2 number, since 2×22717482989731² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22717482989431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11358741494865 + 11358741494866.

It is an arithmetic number, because the mean of its divisors is an integer number (11358741494866).

Almost surely, 2^{22717482989731} is an apocalyptic number.

22717482989731 is a deficient number, since it is larger than the sum of its proper divisors (1).

22717482989731 is an equidigital number, since it uses as much as digits as its factorization.

22717482989731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170698752, while the sum is 70.

The spelling of 22717482989731 in words is "twenty-two trillion, seven hundred seventeen billion, four hundred eighty-two million, nine hundred eighty-nine thousand, seven hundred thirty-one".