222313211 has 4 divisors (see below), whose sum is σ = 222423552. Its totient is φ = 222202872.

The previous prime is 222313207. The next prime is 222313237. The reversal of 222313211 is 112313222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222313211 - 2² = 222313207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222313211.

It is not an unprimeable number, because it can be changed into a prime (222313241) 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, 52091 + ... + 56196.

It is an arithmetic number, because the mean of its divisors is an integer number (55605888).

Almost surely, 2^222313211 is an apocalyptic number.

222313211 is a deficient number, since it is larger than the sum of its proper divisors (110341).

222313211 is a wasteful number, since it uses less digits than its factorization.

222313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110340.

The product of its digits is 144, while the sum is 17.

The square root of 222313211 is about 14910.1713940518. The cubic root of 222313211 is about 605.7895217880.

Adding to 222313211 its reverse (112313222), we get a palindrome (334626433).

The spelling of 222313211 in words is "two hundred twenty-two million, three hundred thirteen thousand, two hundred eleven".