213222201 has 8 divisors (see below), whose sum is σ = 284868000. Its totient is φ = 141862272.

The previous prime is 213222197. The next prime is 213222223. The reversal of 213222201 is 102222312.

It is a happy number.

213222201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213222201 - 2² = 213222197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213222271) 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, 69720 + ... + 72713.

It is an arithmetic number, because the mean of its divisors is an integer number (35608500).

Almost surely, 2^213222201 is an apocalyptic number.

It is an amenable number.

213222201 is a deficient number, since it is larger than the sum of its proper divisors (71645799).

213222201 is a wasteful number, since it uses less digits than its factorization.

213222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142935.

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

The square root of 213222201 is about 14602.1300158573. The cubic root of 213222201 is about 597.4168588178.

Adding to 213222201 its reverse (102222312), we get a palindrome (315444513).

The spelling of 213222201 in words is "two hundred thirteen million, two hundred twenty-two thousand, two hundred one".