213226210 has 8 divisors (see below), whose sum is σ = 383807196. Its totient is φ = 85290480.

The previous prime is 213226201. The next prime is 213226217. The reversal of 213226210 is 12622312.

213226210 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 179318881 + 33907329 = 13391^2 + 5823^2 .

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

It is not an unprimeable number, because it can be changed into a prime (213226217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10661301 + ... + 10661320.

Almost surely, 2^213226210 is an apocalyptic number.

213226210 is a deficient number, since it is larger than the sum of its proper divisors (170580986).

213226210 is a wasteful number, since it uses less digits than its factorization.

213226210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21322628.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 213226210 is about 14602.2672897054. The cubic root of 213226210 is about 597.4206030014.

Adding to 213226210 its reverse (12622312), we get a palindrome (225848522).

The spelling of 213226210 in words is "two hundred thirteen million, two hundred twenty-six thousand, two hundred ten".