23159322 has 12 divisors (see below), whose sum is σ = 50178570. Its totient is φ = 7719768.

The previous prime is 23159317. The next prime is 23159333. The reversal of 23159322 is 22395132.

It can be written as a sum of positive squares in only one way, i.e., 20602521 + 2556801 = 4539^2 + 1599^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 643297 + ... + 643332.

Almost surely, 2^23159322 is an apocalyptic number.

23159322 is an abundant number, since it is smaller than the sum of its proper divisors (27019248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23159322 is a wasteful number, since it uses less digits than its factorization.

23159322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286637 (or 1286634 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 23159322 is about 4812.4133238948. The cubic root of 23159322 is about 285.0418405792.

The spelling of 23159322 in words is "twenty-three million, one hundred fifty-nine thousand, three hundred twenty-two".