222888907 has 2 divisors, whose sum is σ = 222888908. Its totient is φ = 222888906.

The previous prime is 222888893. The next prime is 222888923. The reversal of 222888907 is 709888222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222888907 - 2⁷ = 222888779 is a prime.

It is not a weakly prime, because it can be changed into another prime (222888007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111444453 + 111444454.

It is an arithmetic number, because the mean of its divisors is an integer number (111444454).

Almost surely, 2^222888907 is an apocalyptic number.

222888907 is a deficient number, since it is larger than the sum of its proper divisors (1).

222888907 is an equidigital number, since it uses as much as digits as its factorization.

222888907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 222888907 is about 14929.4643909284. The cubic root of 222888907 is about 606.3119828645.

The spelling of 222888907 in words is "two hundred twenty-two million, eight hundred eighty-eight thousand, nine hundred seven".