213422210 has 8 divisors (see below), whose sum is σ = 384159996. Its totient is φ = 85368880.

The previous prime is 213422177. The next prime is 213422239. The reversal of 213422210 is 12224312.

It can be written as a sum of positive squares in 2 ways, for example, as 212022721 + 1399489 = 14561^2 + 1183^2 .

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, 10671101 + ... + 10671120.

Almost surely, 2^213422210 is an apocalyptic number.

213422210 is a deficient number, since it is larger than the sum of its proper divisors (170737786).

213422210 is a wasteful number, since it uses less digits than its factorization.

213422210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21342228.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 213422210 is about 14608.9770346866. The cubic root of 213422210 is about 597.6035989197.

Adding to 213422210 its reverse (12224312), we get a palindrome (225646522).

The spelling of 213422210 in words is "two hundred thirteen million, four hundred twenty-two thousand, two hundred ten".