232220131 has 8 divisors (see below), whose sum is σ = 272818224. Its totient is φ = 194869920.

The previous prime is 232220123. The next prime is 232220143. The reversal of 232220131 is 131022232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232220131 - 2³ = 232220123 is a prime.

It is a super-2 number, since 2×232220131² = 107852378483314322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232220111) 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, 811816 + ... + 812101.

It is an arithmetic number, because the mean of its divisors is an integer number (34102278).

Almost surely, 2^232220131 is an apocalyptic number.

232220131 is a deficient number, since it is larger than the sum of its proper divisors (40598093).

232220131 is a wasteful number, since it uses less digits than its factorization.

232220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623941.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 232220131 is about 15238.7706525166. The cubic root of 232220131 is about 614.6576462819.

Adding to 232220131 its reverse (131022232), we get a palindrome (363242363).

It can be divided in two parts, 2322201 and 31, that added together give a palindrome (2322232).

The spelling of 232220131 in words is "two hundred thirty-two million, two hundred twenty thousand, one hundred thirty-one".