22997774 has 8 divisors (see below), whose sum is σ = 34969440. Its totient is φ = 11341296.

The previous prime is 22997773. The next prime is 22997789. The reversal of 22997774 is 47779922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78614 + ... + 78905.

It is an arithmetic number, because the mean of its divisors is an integer number (4371180).

Almost surely, 2^22997774 is an apocalyptic number.

22997774 is a deficient number, since it is larger than the sum of its proper divisors (11971666).

22997774 is a wasteful number, since it uses less digits than its factorization.

22997774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157594.

The product of its digits is 444528, while the sum is 47.

The square root of 22997774 is about 4795.5994411544. The cubic root of 22997774 is about 284.3775231270.

The spelling of 22997774 in words is "twenty-two million, nine hundred ninety-seven thousand, seven hundred seventy-four".