22159473 has 16 divisors (see below), whose sum is σ = 33855360. Its totient is φ = 12629376.

The previous prime is 22159447. The next prime is 22159481. The reversal of 22159473 is 37495122.

It is not a de Polignac number, because 22159473 - 2⁸ = 22159217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22159433) 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, 8443 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (2115960).

Almost surely, 2^22159473 is an apocalyptic number.

It is an amenable number.

22159473 is a deficient number, since it is larger than the sum of its proper divisors (11695887).

22159473 is a wasteful number, since it uses less digits than its factorization.

22159473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776.

The product of its digits is 15120, while the sum is 33.

The square root of 22159473 is about 4707.3849428318. The cubic root of 22159473 is about 280.8793485831.

The spelling of 22159473 in words is "twenty-two million, one hundred fifty-nine thousand, four hundred seventy-three".