22628815146 has 60 divisors (see below), whose sum is σ = 57197321922. Its totient is φ = 6465363408.

The previous prime is 22628815117. The next prime is 22628815151. The reversal of 22628815146 is 64151882622.

22628815146 is a `hidden beast` number, since 2 + 2 + 628 + 8 + 1 + 5 + 14 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22174485921 + 454329225 = 148911^2 + 21315^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 218581 + ... + 305016.

Almost surely, 2^22628815146 is an apocalyptic number.

22628815146 is an abundant number, since it is smaller than the sum of its proper divisors (34568506776).

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

22628815146 is an equidigital number, since it uses as much as digits as its factorization.

22628815146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523633 (or 523609 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The spelling of 22628815146 in words is "twenty-two billion, six hundred twenty-eight million, eight hundred fifteen thousand, one hundred forty-six".