201222213 has 8 divisors (see below), whose sum is σ = 277548000. Its totient is φ = 129522288.

The previous prime is 201222211. The next prime is 201222223. The reversal of 201222213 is 312222102.

It is a happy number.

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

It is not a de Polignac number, because 201222213 - 2¹ = 201222211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201222192 and 201222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156363 + ... + 1156536.

It is an arithmetic number, because the mean of its divisors is an integer number (34693500).

Almost surely, 2^201222213 is an apocalyptic number.

It is an amenable number.

201222213 is a deficient number, since it is larger than the sum of its proper divisors (76325787).

201222213 is a wasteful number, since it uses less digits than its factorization.

201222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312931.

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

The square root of 201222213 is about 14185.2815622391. The cubic root of 201222213 is about 585.9923867276.

Adding to 201222213 its reverse (312222102), we get a palindrome (513444315).

The spelling of 201222213 in words is "two hundred one million, two hundred twenty-two thousand, two hundred thirteen".