220112331 has 4 divisors (see below), whose sum is σ = 293483112. Its totient is φ = 146741552.

The previous prime is 220112329. The next prime is 220112351. The reversal of 220112331 is 133211022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220112331 - 2¹ = 220112329 is a prime.

It is a super-2 number, since 2×220112331² = 96898876516507122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220112331.

It is not an unprimeable number, because it can be changed into a prime (220112351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36685386 + ... + 36685391.

It is an arithmetic number, because the mean of its divisors is an integer number (73370778).

Almost surely, 2^220112331 is an apocalyptic number.

220112331 is a deficient number, since it is larger than the sum of its proper divisors (73370781).

220112331 is an equidigital number, since it uses as much as digits as its factorization.

220112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73370780.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 220112331 is about 14836.1831681872. The cubic root of 220112331 is about 603.7838018017.

Adding to 220112331 its reverse (133211022), we get a palindrome (353323353).

It can be divided in two parts, 22011 and 2331, that added together give a palindrome (24342).

The spelling of 220112331 in words is "two hundred twenty million, one hundred twelve thousand, three hundred thirty-one".