213222106 has 32 divisors (see below), whose sum is σ = 334368000. Its totient is φ = 101916672.

The previous prime is 213222101. The next prime is 213222133. The reversal of 213222106 is 601222312.

213222106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213222101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829530 + ... + 829786.

It is an arithmetic number, because the mean of its divisors is an integer number (10449000).

Almost surely, 2^213222106 is an apocalyptic number.

213222106 is a deficient number, since it is larger than the sum of its proper divisors (121145894).

213222106 is a wasteful number, since it uses less digits than its factorization.

213222106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

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

The square root of 213222106 is about 14602.1267629068. The cubic root of 213222106 is about 597.4167700925.

Adding to 213222106 its reverse (601222312), we get a palindrome (814444418).

The spelling of 213222106 in words is "two hundred thirteen million, two hundred twenty-two thousand, one hundred six".