22878963 has 16 divisors (see below), whose sum is σ = 34279200. Its totient is φ = 15079680.

The previous prime is 22878937. The next prime is 22878971. The reversal of 22878963 is 36987822.

It is not a de Polignac number, because 22878963 - 2¹² = 22874867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22878263) 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, 2358 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (2142450).

Almost surely, 2^22878963 is an apocalyptic number.

22878963 is a deficient number, since it is larger than the sum of its proper divisors (11400237).

22878963 is an equidigital number, since it uses as much as digits as its factorization.

22878963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619 (or 9613 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 22878963 is about 4783.1958981417. The cubic root of 22878963 is about 283.8869607332.

The spelling of 22878963 in words is "twenty-two million, eight hundred seventy-eight thousand, nine hundred sixty-three".