220234231 has 8 divisors (see below), whose sum is σ = 251881344. Its totient is φ = 188633400.

The previous prime is 220234219. The next prime is 220234253. The reversal of 220234231 is 132432022.

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 220234231 - 2⁹ = 220233719 is a prime.

It is a super-2 number, since 2×220234231² = 97006233008322722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220234199 and 220234208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220234331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685 + ... + 20998.

It is an arithmetic number, because the mean of its divisors is an integer number (31485168).

Almost surely, 2^220234231 is an apocalyptic number.

220234231 is a deficient number, since it is larger than the sum of its proper divisors (31647113).

220234231 is a wasteful number, since it uses less digits than its factorization.

220234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23141.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 220234231 is about 14840.2907990376. The cubic root of 220234231 is about 603.8952413597.

Adding to 220234231 its reverse (132432022), we get a palindrome (352666253).

The spelling of 220234231 in words is "two hundred twenty million, two hundred thirty-four thousand, two hundred thirty-one".