22479042788 has 6 divisors (see below), whose sum is σ = 39338324886. Its totient is φ = 11239521392.

The previous prime is 22479042749. The next prime is 22479042853. The reversal of 22479042788 is 88724097422.

It can be written as a sum of positive squares in only one way, i.e., 22032058624 + 446984164 = 148432^2 + 21142^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809880345 + ... + 2809880352.

It is an arithmetic number, because the mean of its divisors is an integer number (6556387481).

Almost surely, 2^22479042788 is an apocalyptic number.

It is an amenable number.

22479042788 is a deficient number, since it is larger than the sum of its proper divisors (16859282098).

22479042788 is a wasteful number, since it uses less digits than its factorization.

22479042788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619760701 (or 5619760699 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 22479042788 in words is "twenty-two billion, four hundred seventy-nine million, forty-two thousand, seven hundred eighty-eight".