22768879 has 12 divisors (see below), whose sum is σ = 26573400. Its totient is φ = 19452048.

The previous prime is 22768847. The next prime is 22768883. The reversal of 22768879 is 97886722.

It is not a de Polignac number, because 22768879 - 2⁵ = 22768847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22768819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19977 + ... + 21085.

It is an arithmetic number, because the mean of its divisors is an integer number (2214450).

Almost surely, 2^22768879 is an apocalyptic number.

22768879 is a deficient number, since it is larger than the sum of its proper divisors (3804521).

22768879 is a wasteful number, since it uses less digits than its factorization.

22768879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1535 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 22768879 is about 4771.6746536200. The cubic root of 22768879 is about 283.4309134099.

The spelling of 22768879 in words is "twenty-two million, seven hundred sixty-eight thousand, eight hundred seventy-nine".