22961144488 has 16 divisors (see below), whose sum is σ = 43064608500. Its totient is φ = 11477248896.

The previous prime is 22961144477. The next prime is 22961144581. The reversal of 22961144488 is 88444116922.

It can be written as a sum of positive squares in 2 ways, for example, as 15015561444 + 7945583044 = 122538^2 + 89138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385933 + ... + 441436.

Almost surely, 2^22961144488 is an apocalyptic number.

It is an amenable number.

22961144488 is a deficient number, since it is larger than the sum of its proper divisors (20103464012).

22961144488 is a wasteful number, since it uses less digits than its factorization.

22961144488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830844 (or 830840 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The spelling of 22961144488 in words is "twenty-two billion, nine hundred sixty-one million, one hundred forty-four thousand, four hundred eighty-eight".