220411231 has 8 divisors (see below), whose sum is σ = 232767360. Its totient is φ = 208286232.

The previous prime is 220411207. The next prime is 220411237. The reversal of 220411231 is 132114022.

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 220411231 - 2²⁵ = 186856799 is a prime.

It is a super-2 number, since 2×220411231² = 97162221501870722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220411237) 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, 55821 + ... + 59638.

It is an arithmetic number, because the mean of its divisors is an integer number (29095920).

Almost surely, 2^220411231 is an apocalyptic number.

220411231 is a deficient number, since it is larger than the sum of its proper divisors (12356129).

220411231 is a wasteful number, since it uses less digits than its factorization.

220411231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115565.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 220411231 is about 14846.2530963203. The cubic root of 220411231 is about 604.0569795156.

Adding to 220411231 its reverse (132114022), we get a palindrome (352525253).

The spelling of 220411231 in words is "two hundred twenty million, four hundred eleven thousand, two hundred thirty-one".