222223207 has 2 divisors, whose sum is σ = 222223208. Its totient is φ = 222223206.

The previous prime is 222223193. The next prime is 222223231. The reversal of 222223207 is 702322222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222223207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222223237) 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 as a sum of consecutive naturals, namely, 111111603 + 111111604.

It is an arithmetic number, because the mean of its divisors is an integer number (111111604).

Almost surely, 2^222223207 is an apocalyptic number.

222223207 is a deficient number, since it is larger than the sum of its proper divisors (1).

222223207 is an equidigital number, since it uses as much as digits as its factorization.

222223207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 222223207 is about 14907.1528804128. The cubic root of 222223207 is about 605.7077590060.

Adding to 222223207 its reverse (702322222), we get a palindrome (924545429).

The spelling of 222223207 in words is "two hundred twenty-two million, two hundred twenty-three thousand, two hundred seven".