22878969 has 16 divisors (see below), whose sum is σ = 31135104. Its totient is φ = 14940800.

The previous prime is 22878937. The next prime is 22878971. The reversal of 22878969 is 96987822.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22878969 - 2⁵ = 22878937 is a prime.

It is a super-2 number, since 2×22878969² = 1046894445005922, which contains 22 as substring.

Its product of digits (870912) is a multiple of the sum of its prime divisors (768).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22878769) 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, 49399 + ... + 49859.

It is an arithmetic number, because the mean of its divisors is an integer number (1945944).

Almost surely, 2^22878969 is an apocalyptic number.

It is an amenable number.

22878969 is a deficient number, since it is larger than the sum of its proper divisors (8256135).

22878969 is a wasteful number, since it uses less digits than its factorization.

22878969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its digits is 870912, while the sum is 51.

The square root of 22878969 is about 4783.1965253374. The cubic root of 22878969 is about 283.8869855496.

It can be divided in two parts, 228 and 78969, that added together give a palindrome (79197).

The spelling of 22878969 in words is "twenty-two million, eight hundred seventy-eight thousand, nine hundred sixty-nine".