210222213 has 24 divisors (see below), whose sum is σ = 297180000. Its totient is φ = 132165216.

The previous prime is 210222209. The next prime is 210222217. The reversal of 210222213 is 312222012.

It is a happy number.

210222213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210222209) and next prime (210222217).

It is not a de Polignac number, because 210222213 - 2² = 210222209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210222192 and 210222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421038 + ... + 421536.

It is an arithmetic number, because the mean of its divisors is an integer number (12382500).

Almost surely, 2^210222213 is an apocalyptic number.

It is an amenable number.

210222213 is a deficient number, since it is larger than the sum of its proper divisors (86957787).

210222213 is a wasteful number, since it uses less digits than its factorization.

210222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 210222213 is about 14499.0417959257. The cubic root of 210222213 is about 594.6017748200.

Adding to 210222213 its reverse (312222012), we get a palindrome (522444225).

The spelling of 210222213 in words is "two hundred ten million, two hundred twenty-two thousand, two hundred thirteen".