22278883 has 12 divisors (see below), whose sum is σ = 24744384. Its totient is φ = 20042000.

The previous prime is 22278871. The next prime is 22278923. The reversal of 22278883 is 38887222.

It is a happy number.

It is not a de Polignac number, because 22278883 - 2²¹ = 20181731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22278383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11310 + ... + 13132.

It is an arithmetic number, because the mean of its divisors is an integer number (2062032).

Almost surely, 2^22278883 is an apocalyptic number.

22278883 is a deficient number, since it is larger than the sum of its proper divisors (2465501).

22278883 is a wasteful number, since it uses less digits than its factorization.

22278883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1935 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 22278883 is about 4720.0511649769. The cubic root of 22278883 is about 281.3829667240.

The spelling of 22278883 in words is "twenty-two million, two hundred seventy-eight thousand, eight hundred eighty-three".