22997814 has 16 divisors (see below), whose sum is σ = 52566528. Its totient is φ = 6570792.

The previous prime is 22997803. The next prime is 22997851. The reversal of 22997814 is 41879922.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 547567 = 22997814 / (2 + 2 + 9 + 9 + 7 + 8 + 1 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273742 + ... + 273825.

It is an arithmetic number, because the mean of its divisors is an integer number (3285408).

Almost surely, 2^22997814 is an apocalyptic number.

22997814 is an abundant number, since it is smaller than the sum of its proper divisors (29568714).

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

22997814 is a wasteful number, since it uses less digits than its factorization.

22997814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547579.

The product of its digits is 72576, while the sum is 42.

The square root of 22997814 is about 4795.6036116426. The cubic root of 22997814 is about 284.3776879994.

The spelling of 22997814 in words is "twenty-two million, nine hundred ninety-seven thousand, eight hundred fourteen".