220442211 has 24 divisors (see below), whose sum is σ = 353925936. Its totient is φ = 131077440.

The previous prime is 220442203. The next prime is 220442221. The reversal of 220442211 is 112244022.

220442211 is a `hidden beast` number, since 220 + 442 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 220442211 - 2³ = 220442203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220442221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15760 + ... + 26253.

It is an arithmetic number, because the mean of its divisors is an integer number (14746914).

Almost surely, 2^220442211 is an apocalyptic number.

220442211 is a deficient number, since it is larger than the sum of its proper divisors (133483725).

220442211 is a wasteful number, since it uses less digits than its factorization.

220442211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42083 (or 42080 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 220442211 is about 14847.2964205609. The cubic root of 220442211 is about 604.0852793568.

Adding to 220442211 its reverse (112244022), we get a palindrome (332686233).

The spelling of 220442211 in words is "two hundred twenty million, four hundred forty-two thousand, two hundred eleven".