220431122 has 16 divisors (see below), whose sum is σ = 348653760. Its totient is φ = 104233392.

The previous prime is 220431109. The next prime is 220431131. The reversal of 220431122 is 221134022.

220431122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220431122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18563 + ... + 28025.

It is an arithmetic number, because the mean of its divisors is an integer number (21790860).

Almost surely, 2^220431122 is an apocalyptic number.

220431122 is a deficient number, since it is larger than the sum of its proper divisors (128222638).

220431122 is a wasteful number, since it uses less digits than its factorization.

220431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 220431122 is about 14846.9229808738. The cubic root of 220431122 is about 604.0751499991.

Adding to 220431122 its reverse (221134022), we get a palindrome (441565144).

The spelling of 220431122 in words is "two hundred twenty million, four hundred thirty-one thousand, one hundred twenty-two".