220112231 has 8 divisors (see below), whose sum is σ = 235285344. Its totient is φ = 205406080.

The previous prime is 220112213. The next prime is 220112261. The reversal of 220112231 is 132211022.

It is a happy number.

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 220112231 - 2¹⁸ = 219850087 is a prime.

It is a super-2 number, since 2×220112231² = 96898788471594722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112261) 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, 115766 + ... + 117651.

It is an arithmetic number, because the mean of its divisors is an integer number (29410668).

Almost surely, 2^220112231 is an apocalyptic number.

220112231 is a deficient number, since it is larger than the sum of its proper divisors (15173113).

220112231 is a wasteful number, since it uses less digits than its factorization.

220112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233481.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 220112231 is about 14836.1797980477. The cubic root of 220112231 is about 603.7837103659.

Adding to 220112231 its reverse (132211022), we get a palindrome (352323253).

It can be divided in two parts, 22011 and 2231, that added together give a palindrome (24242).

The spelling of 220112231 in words is "two hundred twenty million, one hundred twelve thousand, two hundred thirty-one".