222444255 has 32 divisors (see below), whose sum is σ = 389081088. Its totient is φ = 107625600.

The previous prime is 222444253. The next prime is 222444281. The reversal of 222444255 is 552444222.

It is not a de Polignac number, because 222444255 - 2¹ = 222444253 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222444253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99045 + ... + 101265.

It is an arithmetic number, because the mean of its divisors is an integer number (12158784).

Almost surely, 2^222444255 is an apocalyptic number.

222444255 is a deficient number, since it is larger than the sum of its proper divisors (166636833).

222444255 is a wasteful number, since it uses less digits than its factorization.

222444255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847.

The product of its digits is 25600, while the sum is 30.

The square root of 222444255 is about 14914.5651964782. The cubic root of 222444255 is about 605.9085272950.

Adding to 222444255 its reverse (552444222), we get a palindrome (774888477).

The spelling of 222444255 in words is "two hundred twenty-two million, four hundred forty-four thousand, two hundred fifty-five".