22969993 has 8 divisors (see below), whose sum is σ = 24242400. Its totient is φ = 21703968.

The previous prime is 22969987. The next prime is 22969997. The reversal of 22969993 is 39996922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22969993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22969997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7053 + ... + 9781.

It is an arithmetic number, because the mean of its divisors is an integer number (3030300).

Almost surely, 2^22969993 is an apocalyptic number.

It is an amenable number.

22969993 is a deficient number, since it is larger than the sum of its proper divisors (1272407).

22969993 is a wasteful number, since it uses less digits than its factorization.

22969993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its digits is 472392, while the sum is 49.

The square root of 22969993 is about 4792.7020562518. The cubic root of 22969993 is about 284.2629689205.

The spelling of 22969993 in words is "twenty-two million, nine hundred sixty-nine thousand, nine hundred ninety-three".