22757478722 has 32 divisors (see below), whose sum is σ = 39303187200. Its totient is φ = 9773946000.

The previous prime is 22757478707. The next prime is 22757478739. The reversal of 22757478722 is 22787475722.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86597 + ... + 230247.

It is an arithmetic number, because the mean of its divisors is an integer number (1228224600).

Almost surely, 2^22757478722 is an apocalyptic number.

22757478722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22757478722 is a deficient number, since it is larger than the sum of its proper divisors (16545708478).

22757478722 is a wasteful number, since it uses less digits than its factorization.

22757478722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144062.

The product of its digits is 6146560, while the sum is 53.

The spelling of 22757478722 in words is "twenty-two billion, seven hundred fifty-seven million, four hundred seventy-eight thousand, seven hundred twenty-two".