22159234 has 16 divisors (see below), whose sum is σ = 34433280. Its totient is φ = 10684080.

The previous prime is 22159217. The next prime is 22159237. The reversal of 22159234 is 43295122.

It is not an unprimeable number, because it can be changed into a prime (22159237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25552 + ... + 26404.

It is an arithmetic number, because the mean of its divisors is an integer number (2152080).

Almost surely, 2^22159234 is an apocalyptic number.

22159234 is a deficient number, since it is larger than the sum of its proper divisors (12274046).

22159234 is a wasteful number, since it uses less digits than its factorization.

22159234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its digits is 4320, while the sum is 28.

The square root of 22159234 is about 4707.3595571190. The cubic root of 22159234 is about 280.8783387756.

It can be divided in two parts, 2215 and 9234, that added together give a square (11449 = 107²).

The spelling of 22159234 in words is "twenty-two million, one hundred fifty-nine thousand, two hundred thirty-four".