222440003 has 2 divisors, whose sum is σ = 222440004. Its totient is φ = 222440002.

The previous prime is 222439999. The next prime is 222440017. The reversal of 222440003 is 300044222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222440003 - 2² = 222439999 is a prime.

It is not a weakly prime, because it can be changed into another prime (222440093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111220001 + 111220002.

It is an arithmetic number, because the mean of its divisors is an integer number (111220002).

Almost surely, 2^222440003 is an apocalyptic number.

222440003 is a deficient number, since it is larger than the sum of its proper divisors (1).

222440003 is an equidigital number, since it uses as much as digits as its factorization.

222440003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222440003 is about 14914.4226505755. The cubic root of 222440003 is about 605.9046666431.

Adding to 222440003 its reverse (300044222), we get a palindrome (522484225).

The spelling of 222440003 in words is "two hundred twenty-two million, four hundred forty thousand, three".