22826993 has 16 divisors (see below), whose sum is σ = 27081600. Its totient is φ = 19227600.

The previous prime is 22826989. The next prime is 22827019. The reversal of 22826993 is 39962822.

It is not a de Polignac number, because 22826993 - 2² = 22826989 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22826993.

It is not an unprimeable number, because it can be changed into a prime (22826933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20378 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^22826993 is an apocalyptic number.

It is an amenable number.

22826993 is a deficient number, since it is larger than the sum of its proper divisors (4254607).

22826993 is an equidigital number, since it uses as much as digits as its factorization.

22826993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1159 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 22826993 is about 4777.7602493219. The cubic root of 22826993 is about 283.6718462268.

The spelling of 22826993 in words is "twenty-two million, eight hundred twenty-six thousand, nine hundred ninety-three".