22455362491 has 2 divisors, whose sum is σ = 22455362492. Its totient is φ = 22455362490.

The previous prime is 22455362483. The next prime is 22455362549. The reversal of 22455362491 is 19426355422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22455362491 - 2³ = 22455362483 is a prime.

It is not a weakly prime, because it can be changed into another prime (22455362431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227681245 + 11227681246.

It is an arithmetic number, because the mean of its divisors is an integer number (11227681246).

Almost surely, 2^22455362491 is an apocalyptic number.

22455362491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22455362491 is an equidigital number, since it uses as much as digits as its factorization.

22455362491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 43.

The spelling of 22455362491 in words is "twenty-two billion, four hundred fifty-five million, three hundred sixty-two thousand, four hundred ninety-one".