222422243 has 4 divisors (see below), whose sum is σ = 223353120. Its totient is φ = 221491368.

The previous prime is 222422177. The next prime is 222422267. The reversal of 222422243 is 342224222.

222422243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222422243 - 2⁸ = 222421987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222422143) 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, 465080 + ... + 465557.

It is an arithmetic number, because the mean of its divisors is an integer number (55838280).

Almost surely, 2^222422243 is an apocalyptic number.

222422243 is a deficient number, since it is larger than the sum of its proper divisors (930877).

222422243 is an equidigital number, since it uses as much as digits as its factorization.

222422243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930876.

The product of its digits is 3072, while the sum is 23.

The square root of 222422243 is about 14913.8272418585. The cubic root of 222422243 is about 605.8885407168. Note that the first 3 decimals are identical.

Adding to 222422243 its reverse (342224222), we get a palindrome (564646465).

The spelling of 222422243 in words is "two hundred twenty-two million, four hundred twenty-two thousand, two hundred forty-three".