220442212 has 24 divisors (see below), whose sum is σ = 404623296. Its totient is φ = 104885088.

The previous prime is 220442203. The next prime is 220442221. The reversal of 220442212 is 212244022.

220442212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220442203) and next prime (220442221).

It is a self number, because there is not a number n which added to its sum of digits gives 220442212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12043 + ... + 24205.

It is an arithmetic number, because the mean of its divisors is an integer number (16859304).

Almost surely, 2^220442212 is an apocalyptic number.

It is an amenable number.

220442212 is a deficient number, since it is larger than the sum of its proper divisors (184181084).

220442212 is a wasteful number, since it uses less digits than its factorization.

220442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12387 (or 12385 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 220442212 is about 14847.2964542370. The cubic root of 220442212 is about 604.0852802702.

Adding to 220442212 its reverse (212244022), we get a palindrome (432686234).

The spelling of 220442212 in words is "two hundred twenty million, four hundred forty-two thousand, two hundred twelve".