22881453971 has 2 divisors, whose sum is σ = 22881453972. Its totient is φ = 22881453970.

The previous prime is 22881453953. The next prime is 22881454069. The reversal of 22881453971 is 17935418822.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22881453971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22881453911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11440726985 + 11440726986.

It is an arithmetic number, because the mean of its divisors is an integer number (11440726986).

Almost surely, 2^22881453971 is an apocalyptic number.

22881453971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22881453971 is an equidigital number, since it uses as much as digits as its factorization.

22881453971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 50.

The spelling of 22881453971 in words is "twenty-two billion, eight hundred eighty-one million, four hundred fifty-three thousand, nine hundred seventy-one".