22347791457 has 16 divisors (see below), whose sum is σ = 30304155648. Its totient is φ = 14645278080.

The previous prime is 22347791449. The next prime is 22347791513. The reversal of 22347791457 is 75419774322.

It is not a de Polignac number, because 22347791457 - 2³ = 22347791449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22347791057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267613 + ... + 341045.

It is an arithmetic number, because the mean of its divisors is an integer number (1894009728).

Almost surely, 2^22347791457 is an apocalyptic number.

It is an amenable number.

22347791457 is a deficient number, since it is larger than the sum of its proper divisors (7956364191).

22347791457 is a wasteful number, since it uses less digits than its factorization.

22347791457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75160.

The product of its digits is 2963520, while the sum is 51.

The spelling of 22347791457 in words is "twenty-two billion, three hundred forty-seven million, seven hundred ninety-one thousand, four hundred fifty-seven".