22799418643 has 2 divisors, whose sum is σ = 22799418644. Its totient is φ = 22799418642.

The previous prime is 22799418583. The next prime is 22799418661. The reversal of 22799418643 is 34681499722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22799418643 is a prime.

It is a super-2 number, since 2×22799418643² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22799418043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11399709321 + 11399709322.

It is an arithmetic number, because the mean of its divisors is an integer number (11399709322).

Almost surely, 2^22799418643 is an apocalyptic number.

22799418643 is a deficient number, since it is larger than the sum of its proper divisors (1).

22799418643 is an equidigital number, since it uses as much as digits as its factorization.

22799418643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 55.

The spelling of 22799418643 in words is "twenty-two billion, seven hundred ninety-nine million, four hundred eighteen thousand, six hundred forty-three".