222242227 has 4 divisors (see below), whose sum is σ = 222281496. Its totient is φ = 222202960.

The previous prime is 222242213. The next prime is 222242231. The reversal of 222242227 is 722242222.

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 222242227 - 2¹⁹ = 221717939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222242287) 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, 9349 + ... + 23062.

It is an arithmetic number, because the mean of its divisors is an integer number (55570374).

Almost surely, 2^222242227 is an apocalyptic number.

222242227 is a deficient number, since it is larger than the sum of its proper divisors (39269).

222242227 is an equidigital number, since it uses as much as digits as its factorization.

222242227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39268.

The product of its digits is 3584, while the sum is 25.

The square root of 222242227 is about 14907.7908155434. The cubic root of 222242227 is about 605.7250392788.

Adding to 222242227 its reverse (722242222), we get a palindrome (944484449).

The spelling of 222242227 in words is "two hundred twenty-two million, two hundred forty-two thousand, two hundred twenty-seven".