222228105 has 64 divisors (see below), whose sum is σ = 403833600. Its totient is φ = 103403520.

The previous prime is 222228103. The next prime is 222228109. The reversal of 222228105 is 501822222.

It is not a de Polignac number, because 222228105 - 2¹ = 222228103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222228103) 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 63 ways as a sum of consecutive naturals, for example, 543141 + ... + 543549.

It is an arithmetic number, because the mean of its divisors is an integer number (6309900).

Almost surely, 2^222228105 is an apocalyptic number.

It is an amenable number.

222228105 is a deficient number, since it is larger than the sum of its proper divisors (181605495).

222228105 is a wasteful number, since it uses less digits than its factorization.

222228105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 222228105 is about 14907.3171630579. The cubic root of 222228105 is about 605.7122090885.

The spelling of 222228105 in words is "two hundred twenty-two million, two hundred twenty-eight thousand, one hundred five".