222223115 has 4 divisors (see below), whose sum is σ = 266667744. Its totient is φ = 177778488.

The previous prime is 222223109. The next prime is 222223151. The reversal of 222223115 is 511322222.

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 222223115 - 2²⁶ = 155114251 is a prime.

It is a super-2 number, since 2×222223115² = 98766225680606450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 22222307 + ... + 22222316.

It is an arithmetic number, because the mean of its divisors is an integer number (66666936).

Almost surely, 2^222223115 is an apocalyptic number.

222223115 is a deficient number, since it is larger than the sum of its proper divisors (44444629).

222223115 is an equidigital number, since it uses as much as digits as its factorization.

222223115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44444628.

The product of its digits is 480, while the sum is 20.

The square root of 222223115 is about 14907.1497946455. The cubic root of 222223115 is about 605.7076754187.

Adding to 222223115 its reverse (511322222), we get a palindrome (733545337).

The spelling of 222223115 in words is "two hundred twenty-two million, two hundred twenty-three thousand, one hundred fifteen".