222113311 has 4 divisors (see below), whose sum is σ = 253843792. Its totient is φ = 190382832.

The previous prime is 222113273. The next prime is 222113317. The reversal of 222113311 is 113311222.

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 222113311 - 2²⁷ = 87895583 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222113317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15865230 + ... + 15865243.

It is an arithmetic number, because the mean of its divisors is an integer number (63460948).

Almost surely, 2^222113311 is an apocalyptic number.

222113311 is a deficient number, since it is larger than the sum of its proper divisors (31730481).

222113311 is an equidigital number, since it uses as much as digits as its factorization.

222113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31730480.

The product of its digits is 72, while the sum is 16.

The square root of 222113311 is about 14903.4664088594. The cubic root of 222113311 is about 605.6078956951.

Adding to 222113311 its reverse (113311222), we get a palindrome (335424533).

The spelling of 222113311 in words is "two hundred twenty-two million, one hundred thirteen thousand, three hundred eleven".