222243115 has 4 divisors (see below), whose sum is σ = 266691744. Its totient is φ = 177794488.

The previous prime is 222243107. The next prime is 222243121. The reversal of 222243115 is 511342222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511342222 = 2 ⋅255671111.

It is a cyclic number.

It is not a de Polignac number, because 222243115 - 2³ = 222243107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22224307 + ... + 22224316.

It is an arithmetic number, because the mean of its divisors is an integer number (66672936).

Almost surely, 2^222243115 is an apocalyptic number.

222243115 is a deficient number, since it is larger than the sum of its proper divisors (44448629).

222243115 is an equidigital number, since it uses as much as digits as its factorization.

222243115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44448628.

The product of its digits is 960, while the sum is 22.

The square root of 222243115 is about 14907.8205985986. The cubic root of 222243115 is about 605.7258460309.

Adding to 222243115 its reverse (511342222), we get a palindrome (733585337).

The spelling of 222243115 in words is "two hundred twenty-two million, two hundred forty-three thousand, one hundred fifteen".