222240223 has 2 divisors, whose sum is σ = 222240224. Its totient is φ = 222240222.

The previous prime is 222240217. The next prime is 222240247. The reversal of 222240223 is 322042222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222240223 - 2⁹ = 222239711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222240223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222240923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111120111 + 111120112.

It is an arithmetic number, because the mean of its divisors is an integer number (111120112).

Almost surely, 2^222240223 is an apocalyptic number.

222240223 is a deficient number, since it is larger than the sum of its proper divisors (1).

222240223 is an equidigital number, since it uses as much as digits as its factorization.

222240223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 222240223 is about 14907.7236022137. The cubic root of 222240223 is about 605.7232186278.

Adding to 222240223 its reverse (322042222), we get a palindrome (544282445).

The spelling of 222240223 in words is "two hundred twenty-two million, two hundred forty thousand, two hundred twenty-three".