22289156 has 24 divisors (see below), whose sum is σ = 39955776. Its totient is φ = 10876320.

The previous prime is 22289153. The next prime is 22289161. The reversal of 22289156 is 65198222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22289153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40475 + ... + 41021.

It is an arithmetic number, because the mean of its divisors is an integer number (1664824).

Almost surely, 2^22289156 is an apocalyptic number.

It is an amenable number.

22289156 is a deficient number, since it is larger than the sum of its proper divisors (17666620).

22289156 is a wasteful number, since it uses less digits than its factorization.

22289156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 777 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 22289156 is about 4721.1392692866. The cubic root of 22289156 is about 281.4262095118.

The spelling of 22289156 in words is "twenty-two million, two hundred eighty-nine thousand, one hundred fifty-six".