220440122 has 48 divisors (see below), whose sum is σ = 409546368. Its totient is φ = 88421760.

The previous prime is 220440097. The next prime is 220440133. The reversal of 220440122 is 221044022.

It is a happy number.

220440122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 220440122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511247 + ... + 511677.

It is an arithmetic number, because the mean of its divisors is an integer number (8532216).

Almost surely, 2^220440122 is an apocalyptic number.

220440122 is a deficient number, since it is larger than the sum of its proper divisors (189106246).

220440122 is a wasteful number, since it uses less digits than its factorization.

220440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 220440122 is about 14847.2260708861. The cubic root of 220440122 is about 604.0833711649.

Adding to 220440122 its reverse (221044022), we get a palindrome (441484144).

The spelling of 220440122 in words is "two hundred twenty million, four hundred forty thousand, one hundred twenty-two".