22077308431 has 2 divisors, whose sum is σ = 22077308432. Its totient is φ = 22077308430.

The previous prime is 22077308401. The next prime is 22077308453. The reversal of 22077308431 is 13480377022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22077308431 - 2⁵ = 22077308399 is a prime.

It is a super-2 number, since 2×22077308431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22077308401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11038654215 + 11038654216.

It is an arithmetic number, because the mean of its divisors is an integer number (11038654216).

Almost surely, 2^22077308431 is an apocalyptic number.

22077308431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22077308431 is an equidigital number, since it uses as much as digits as its factorization.

22077308431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 22077308431 in words is "twenty-two billion, seventy-seven million, three hundred eight thousand, four hundred thirty-one".