22928378 has 32 divisors (see below), whose sum is σ = 39595392. Its totient is φ = 9856000.

The previous prime is 22928371. The next prime is 22928387. The reversal of 22928378 is 87382922.

It is not an unprimeable number, because it can be changed into a prime (22928371) 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, 56978 + ... + 57378.

It is an arithmetic number, because the mean of its divisors is an integer number (1237356).

Almost surely, 2^22928378 is an apocalyptic number.

22928378 is a deficient number, since it is larger than the sum of its proper divisors (16667014).

22928378 is a wasteful number, since it uses less digits than its factorization.

22928378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its digits is 96768, while the sum is 41.

The square root of 22928378 is about 4788.3585914173. The cubic root of 22928378 is about 284.0911976507.

The spelling of 22928378 in words is "twenty-two million, nine hundred twenty-eight thousand, three hundred seventy-eight".