22661222796 has 24 divisors (see below), whose sum is σ = 58751318640. Its totient is φ = 7553740896.

The previous prime is 22661222777. The next prime is 22661222821. The reversal of 22661222796 is 69722216622.

22661222796 is a `hidden beast` number, since 2 + 2 + 6 + 612 + 2 + 27 + 9 + 6 = 666.

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 7 ways as a sum of consecutive naturals, for example, 104912961 + ... + 104913176.

It is an arithmetic number, because the mean of its divisors is an integer number (2447971610).

Almost surely, 2^22661222796 is an apocalyptic number.

It is an amenable number.

22661222796 is an abundant number, since it is smaller than the sum of its proper divisors (36090095844).

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

22661222796 is a wasteful number, since it uses less digits than its factorization.

22661222796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209826150 (or 209826142 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 22661222796 in words is "twenty-two billion, six hundred sixty-one million, two hundred twenty-two thousand, seven hundred ninety-six".