222113211 has 32 divisors (see below), whose sum is σ = 337167360. Its totient is φ = 129194496.

The previous prime is 222113207. The next prime is 222113239. The reversal of 222113211 is 112311222.

It is not a de Polignac number, because 222113211 - 2² = 222113207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222113611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43105 + ... + 47981.

It is an arithmetic number, because the mean of its divisors is an integer number (10536480).

Almost surely, 2^222113211 is an apocalyptic number.

222113211 is a deficient number, since it is larger than the sum of its proper divisors (115054149).

222113211 is a wasteful number, since it uses less digits than its factorization.

222113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963.

The product of its digits is 48, while the sum is 15.

The square root of 222113211 is about 14903.4630539348. The cubic root of 222113211 is about 605.6078048093.

Adding to 222113211 its reverse (112311222), we get a palindrome (334424433).

The spelling of 222113211 in words is "two hundred twenty-two million, one hundred thirteen thousand, two hundred eleven".