22968779 has 4 divisors (see below), whose sum is σ = 23084400. Its totient is φ = 22853160.

The previous prime is 22968767. The next prime is 22968791. The reversal of 22968779 is 97786922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97786922 = 2 ⋅48893461.

It is an interprime number because it is at equal distance from previous prime (22968767) and next prime (22968791).

It is not a de Polignac number, because 22968779 - 2²⁰ = 21920203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22968079) 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, 57512 + ... + 57909.

It is an arithmetic number, because the mean of its divisors is an integer number (5771100).

Almost surely, 2^22968779 is an apocalyptic number.

22968779 is a deficient number, since it is larger than the sum of its proper divisors (115621).

22968779 is a wasteful number, since it uses less digits than its factorization.

22968779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115620.

The product of its digits is 762048, while the sum is 50.

The square root of 22968779 is about 4792.5754036843. The cubic root of 22968779 is about 284.2579609183.

The spelling of 22968779 in words is "twenty-two million, nine hundred sixty-eight thousand, seven hundred seventy-nine".