220442210 has 8 divisors (see below), whose sum is σ = 396795996. Its totient is φ = 88176880.

The previous prime is 220442203. The next prime is 220442221. The reversal of 220442210 is 12244022.

It is a happy number.

220442210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 204289849 + 16152361 = 14293^2 + 4019^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11022101 + ... + 11022120.

Almost surely, 2^220442210 is an apocalyptic number.

220442210 is a deficient number, since it is larger than the sum of its proper divisors (176353786).

220442210 is a wasteful number, since it uses less digits than its factorization.

220442210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22044228.

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

The square root of 220442210 is about 14847.2963868847. The cubic root of 220442210 is about 604.0852784434.

Adding to 220442210 its reverse (12244022), we get a palindrome (232686232).

The spelling of 220442210 in words is "two hundred twenty million, four hundred forty-two thousand, two hundred ten".