22772981826 has 48 divisors (see below), whose sum is σ = 56404453248. Its totient is φ = 6504926400.

The previous prime is 22772981801. The next prime is 22772981849. The reversal of 22772981826 is 62818927722.

22772981826 is a `hidden beast` number, since 2 + 277 + 298 + 1 + 82 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532686 + ... + 573846.

It is an arithmetic number, because the mean of its divisors is an integer number (1175092776).

Almost surely, 2^22772981826 is an apocalyptic number.

22772981826 is an abundant number, since it is smaller than the sum of its proper divisors (33631471422).

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

22772981826 is a wasteful number, since it uses less digits than its factorization.

22772981826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45567 (or 45564 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 22772981826 in words is "twenty-two billion, seven hundred seventy-two million, nine hundred eighty-one thousand, eight hundred twenty-six".