22782184955 has 4 divisors (see below), whose sum is σ = 27338621952. Its totient is φ = 18225747960.

The previous prime is 22782184889. The next prime is 22782184967. The reversal of 22782184955 is 55948128722.

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

It is not a de Polignac number, because 22782184955 - 2²⁴ = 22765407739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22782184897 and 22782184906.

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, 2278218491 + ... + 2278218500.

It is an arithmetic number, because the mean of its divisors is an integer number (6834655488).

Almost surely, 2^22782184955 is an apocalyptic number.

22782184955 is a deficient number, since it is larger than the sum of its proper divisors (4556436997).

22782184955 is an equidigital number, since it uses as much as digits as its factorization.

22782184955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556436996.

The product of its digits is 3225600, while the sum is 53.

The spelling of 22782184955 in words is "twenty-two billion, seven hundred eighty-two million, one hundred eighty-four thousand, nine hundred fifty-five".