222345555 has 16 divisors (see below), whose sum is σ = 355938720. Its totient is φ = 118522368.

The previous prime is 222345551. The next prime is 222345559. The reversal of 222345555 is 555543222.

It is an interprime number because it is at equal distance from previous prime (222345551) and next prime (222345559).

It is not a de Polignac number, because 222345555 - 2² = 222345551 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222345551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49899 + ... + 54171.

It is an arithmetic number, because the mean of its divisors is an integer number (22246170).

Almost surely, 2^222345555 is an apocalyptic number.

222345555 is a deficient number, since it is larger than the sum of its proper divisors (133593165).

222345555 is a wasteful number, since it uses less digits than its factorization.

222345555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750.

The product of its digits is 60000, while the sum is 33.

The square root of 222345555 is about 14911.2559833168. The cubic root of 222345555 is about 605.8188988188.

Adding to 222345555 its reverse (555543222), we get a palindrome (777888777).

The spelling of 222345555 in words is "two hundred twenty-two million, three hundred forty-five thousand, five hundred fifty-five".