22532159 has 16 divisors (see below), whose sum is σ = 25552800. Its totient is φ = 19721856.

The previous prime is 22532117. The next prime is 22532161. The reversal of 22532159 is 95123522.

It is not a de Polignac number, because 22532159 - 2¹⁶ = 22466623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532179) 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, 21737 + ... + 22749.

It is an arithmetic number, because the mean of its divisors is an integer number (1597050).

Almost surely, 2^22532159 is an apocalyptic number.

22532159 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22532159 is a deficient number, since it is larger than the sum of its proper divisors (3020641).

22532159 is a wasteful number, since it uses less digits than its factorization.

22532159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its digits is 5400, while the sum is 29.

The square root of 22532159 is about 4746.8051360889. The cubic root of 22532159 is about 282.4452458688.

The spelling of 22532159 in words is "twenty-two million, five hundred thirty-two thousand, one hundred fifty-nine".