220444212 has 24 divisors (see below), whose sum is σ = 517347936. Its totient is φ = 73055968.

The previous prime is 220444199. The next prime is 220444243. The reversal of 220444212 is 212444022.

220444212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 51018 + ... + 55169.

It is an arithmetic number, because the mean of its divisors is an integer number (21556164).

Almost surely, 2^220444212 is an apocalyptic number.

It is an amenable number.

220444212 is an abundant number, since it is smaller than the sum of its proper divisors (296903724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220444212 is a wasteful number, since it uses less digits than its factorization.

220444212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106367 (or 106365 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 220444212 is about 14847.3638064136. The cubic root of 220444212 is about 604.0871071540.

Adding to 220444212 its reverse (212444022), we get a palindrome (432888234).

The spelling of 220444212 in words is "two hundred twenty million, four hundred forty-four thousand, two hundred twelve".