220131122 has 8 divisors (see below), whose sum is σ = 332383872. Its totient is φ = 109336500.

The previous prime is 220131089. The next prime is 220131133. The reversal of 220131122 is 221131022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 220131097 and 220131106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364154 + ... + 364757.

It is an arithmetic number, because the mean of its divisors is an integer number (41547984).

Almost surely, 2^220131122 is an apocalyptic number.

220131122 is a deficient number, since it is larger than the sum of its proper divisors (112252750).

220131122 is a wasteful number, since it uses less digits than its factorization.

220131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729064.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 220131122 is about 14836.8164374976. The cubic root of 220131122 is about 603.8009829965.

Adding to 220131122 its reverse (221131022), we get a palindrome (441262144).

The spelling of 220131122 in words is "two hundred twenty million, one hundred thirty-one thousand, one hundred twenty-two".