222765667 has 2 divisors, whose sum is σ = 222765668. Its totient is φ = 222765666.

The previous prime is 222765629. The next prime is 222765689. The reversal of 222765667 is 766567222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222765667 - 2⁷ = 222765539 is a prime.

It is not a weakly prime, because it can be changed into another prime (222765607) 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, 111382833 + 111382834.

It is an arithmetic number, because the mean of its divisors is an integer number (111382834).

Almost surely, 2^222765667 is an apocalyptic number.

222765667 is a deficient number, since it is larger than the sum of its proper divisors (1).

222765667 is an equidigital number, since it uses as much as digits as its factorization.

222765667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 222765667 is about 14925.3364116190. The cubic root of 222765667 is about 606.2002146810.

The spelling of 222765667 in words is "two hundred twenty-two million, seven hundred sixty-five thousand, six hundred sixty-seven".