22881432342731 has 2 divisors, whose sum is σ = 22881432342732. Its totient is φ = 22881432342730.

The previous prime is 22881432342697. The next prime is 22881432342737. The reversal of 22881432342731 is 13724323418822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22881432342731 - 2¹⁰ = 22881432341707 is a prime.

It is a super-2 number, since 2×22881432342731² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22881432342731.

It is not a weakly prime, because it can be changed into another prime (22881432342737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11440716171365 + 11440716171366.

It is an arithmetic number, because the mean of its divisors is an integer number (11440716171366).

Almost surely, 2^{22881432342731} is an apocalyptic number.

22881432342731 is a deficient number, since it is larger than the sum of its proper divisors (1).

22881432342731 is an equidigital number, since it uses as much as digits as its factorization.

22881432342731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 50.

The spelling of 22881432342731 in words is "twenty-two trillion, eight hundred eighty-one billion, four hundred thirty-two million, three hundred forty-two thousand, seven hundred thirty-one".