22427778152 has 16 divisors (see below), whose sum is σ = 45286859940. Its totient is φ = 10351282176.

The previous prime is 22427778137. The next prime is 22427778181. The reversal of 22427778152 is 25187772422.

It can be written as a sum of positive squares in 2 ways, for example, as 21331770916 + 1096007236 = 146054^2 + 33106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22427778097 and 22427778106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107825753 + ... + 107825960.

Almost surely, 2^22427778152 is an apocalyptic number.

It is an amenable number.

22427778152 is an abundant number, since it is smaller than the sum of its proper divisors (22859081788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22427778152 is a wasteful number, since it uses less digits than its factorization.

22427778152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215651732 (or 215651728 counting only the distinct ones).

The product of its digits is 878080, while the sum is 47.

The spelling of 22427778152 in words is "twenty-two billion, four hundred twenty-seven million, seven hundred seventy-eight thousand, one hundred fifty-two".