220002210 has 32 divisors (see below), whose sum is σ = 586673280. Its totient is φ = 58667184.

The previous prime is 220002203. The next prime is 220002283. The reversal of 220002210 is 12200022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 220002192 and 220002201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407142 + ... + 407681.

It is an arithmetic number, because the mean of its divisors is an integer number (18333540).

Almost surely, 2^220002210 is an apocalyptic number.

220002210 is an abundant number, since it is smaller than the sum of its proper divisors (366671070).

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

220002210 is a wasteful number, since it uses less digits than its factorization.

220002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814839 (or 814833 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 220002210 is about 14832.4714730890. The cubic root of 220002210 is about 603.6830950899.

Adding to 220002210 its reverse (12200022), we get a palindrome (232202232).

The spelling of 220002210 in words is "two hundred twenty million, two thousand, two hundred ten".