22454707885 has 4 divisors (see below), whose sum is σ = 26945649468. Its totient is φ = 17963766304.

The previous prime is 22454707829. The next prime is 22454707901. The reversal of 22454707885 is 58870745422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10179397449 + 12275310436 = 100893^2 + 110794^2 .

It is a cyclic number.

It is not a de Polignac number, because 22454707885 - 2⁷ = 22454707757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245470784 + ... + 2245470793.

It is an arithmetic number, because the mean of its divisors is an integer number (6736412367).

Almost surely, 2^22454707885 is an apocalyptic number.

It is an amenable number.

22454707885 is a deficient number, since it is larger than the sum of its proper divisors (4490941583).

22454707885 is an equidigital number, since it uses as much as digits as its factorization.

22454707885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490941582.

The product of its (nonzero) digits is 5017600, while the sum is 52.

The spelling of 22454707885 in words is "twenty-two billion, four hundred fifty-four million, seven hundred seven thousand, eight hundred eighty-five".