222011223 has 32 divisors (see below), whose sum is σ = 347231232. Its totient is φ = 123552000.

The previous prime is 222011201. The next prime is 222011261. The reversal of 222011223 is 322110222.

It is a happy number.

It is not a de Polignac number, because 222011223 - 2⁵ = 222011191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167403 + ... + 168723.

It is an arithmetic number, because the mean of its divisors is an integer number (10850976).

Almost surely, 2^222011223 is an apocalyptic number.

222011223 is a deficient number, since it is larger than the sum of its proper divisors (125220009).

222011223 is a wasteful number, since it uses less digits than its factorization.

222011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222011223 is about 14900.0410402119. The cubic root of 222011223 is about 605.5150980549.

Adding to 222011223 its reverse (322110222), we get a palindrome (544121445).

The spelling of 222011223 in words is "two hundred twenty-two million, eleven thousand, two hundred twenty-three".