222555 has 16 divisors (see below), whose sum is σ = 366624. Its totient is φ = 115200.

The previous prime is 222553. The next prime is 222557. The reversal of 222555 is 555222.

It is an interprime number because it is at equal distance from previous prime (222553) and next prime (222557).

It is not a de Polignac number, because 222555 - 2¹ = 222553 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 2⁷ + 5⁴ + 2¹⁶ + 5⁷ + 5⁷ .

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 222555.

It is not an unprimeable number, because it can be changed into a prime (222553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355 + ... + 755.

It is an arithmetic number, because the mean of its divisors is an integer number (22914).

2²²²⁵⁵⁵ is an apocalyptic number.

222555 is a deficient number, since it is larger than the sum of its proper divisors (144069).

222555 is a wasteful number, since it uses less digits than its factorization.

222555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its digits is 1000, while the sum is 21.

The square root of 222555 is about 471.7573528839. The cubic root of 222555 is about 60.6009062157.

Adding to 222555 its reverse (555222), we get a palindrome (777777).

It can be divided in two parts, 222 and 555, that added together give a palindrome (777).

The spelling of 222555 in words is "two hundred twenty-two thousand, five hundred fifty-five".