22997776 has 20 divisors (see below), whose sum is σ = 45595792. Its totient is φ = 11231136.

The previous prime is 22997773. The next prime is 22997789. The reversal of 22997776 is 67779922.

It is not an unprimeable number, because it can be changed into a prime (22997773) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16026 + ... + 17401.

Almost surely, 2^22997776 is an apocalyptic number.

It is an amenable number.

22997776 is a deficient number, since it is larger than the sum of its proper divisors (22598016).

22997776 is a wasteful number, since it uses less digits than its factorization.

22997776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33478 (or 33472 counting only the distinct ones).

The product of its digits is 666792, while the sum is 49.

The square root of 22997776 is about 4795.5996496789. The cubic root of 22997776 is about 284.3775313706.

The spelling of 22997776 in words is "twenty-two million, nine hundred ninety-seven thousand, seven hundred seventy-six".