222113113 has 4 divisors (see below), whose sum is σ = 227530548. Its totient is φ = 216695680.

The previous prime is 222113083. The next prime is 222113119. The reversal of 222113113 is 311311222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28430224 + 193682889 = 5332^2 + 13917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222113113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222113119) 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, 2708656 + ... + 2708737.

It is an arithmetic number, because the mean of its divisors is an integer number (56882637).

Almost surely, 2^222113113 is an apocalyptic number.

It is an amenable number.

222113113 is a deficient number, since it is larger than the sum of its proper divisors (5417435).

222113113 is an equidigital number, since it uses as much as digits as its factorization.

222113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417434.

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

The square root of 222113113 is about 14903.4597661080. The cubic root of 222113113 is about 605.6077157413.

Adding to 222113113 its reverse (311311222), we get a palindrome (533424335).

The spelling of 222113113 in words is "two hundred twenty-two million, one hundred thirteen thousand, one hundred thirteen".