222222227 has 2 divisors, whose sum is σ = 222222228. Its totient is φ = 222222226.

The previous prime is 222222193. The next prime is 222222241. The reversal of 222222227 is 722222222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222222227 - 2⁸ = 222221971 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (222222277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111113 + 111111114.

It is an arithmetic number, because the mean of its divisors is an integer number (111111114).

Almost surely, 2^222222227 is an apocalyptic number.

222222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222227 is an equidigital number, since it uses as much as digits as its factorization.

222222227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 23.

The square root of 222222227 is about 14907.1200102501. The cubic root of 222222227 is about 605.7068686183.

Adding to 222222227 its reverse (722222222), we get a palindrome (944444449).

It can be divided in two parts, 2222 and 22227, that multiplied together give a palindrome (49388394).

The spelling of 222222227 in words is "two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-seven".