22938225455 has 4 divisors (see below), whose sum is σ = 27525870552. Its totient is φ = 18350580360.

The previous prime is 22938225451. The next prime is 22938225461. The reversal of 22938225455 is 55452283922.

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

It is not a de Polignac number, because 22938225455 - 2² = 22938225451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22938225451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293822541 + ... + 2293822550.

It is an arithmetic number, because the mean of its divisors is an integer number (6881467638).

Almost surely, 2^22938225455 is an apocalyptic number.

22938225455 is a deficient number, since it is larger than the sum of its proper divisors (4587645097).

22938225455 is an equidigital number, since it uses as much as digits as its factorization.

22938225455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587645096.

The product of its digits is 1728000, while the sum is 47.

The spelling of 22938225455 in words is "twenty-two billion, nine hundred thirty-eight million, two hundred twenty-five thousand, four hundred fifty-five".