220431022 has 16 divisors (see below), whose sum is σ = 379081440. Its totient is φ = 94170528.

The previous prime is 220430981. The next prime is 220431023. The reversal of 220431022 is 220134022.

It is a junction number, because it is equal to n+sod(n) for n = 220430987 and 220431005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220431023) 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, 20397 + ... + 29272.

It is an arithmetic number, because the mean of its divisors is an integer number (23692590).

Almost surely, 2^220431022 is an apocalyptic number.

220431022 is a deficient number, since it is larger than the sum of its proper divisors (158650418).

220431022 is a wasteful number, since it uses less digits than its factorization.

220431022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49995.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220431022 is about 14846.9196131723. The cubic root of 220431022 is about 604.0750586516.

Adding to 220431022 its reverse (220134022), we get a palindrome (440565044).

The spelling of 220431022 in words is "two hundred twenty million, four hundred thirty-one thousand, twenty-two".