222159667 has 4 divisors (see below), whose sum is σ = 222596640. Its totient is φ = 221722696.

The previous prime is 222159661. The next prime is 222159697. The reversal of 222159667 is 766951222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222159667 - 2¹¹ = 222157619 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222159661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217723 + ... + 218740.

It is an arithmetic number, because the mean of its divisors is an integer number (55649160).

Almost surely, 2^222159667 is an apocalyptic number.

222159667 is a deficient number, since it is larger than the sum of its proper divisors (436973).

222159667 is an equidigital number, since it uses as much as digits as its factorization.

222159667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436972.

The product of its digits is 90720, while the sum is 40.

The square root of 222159667 is about 14905.0215363816. The cubic root of 222159667 is about 605.6500237523.

The spelling of 222159667 in words is "two hundred twenty-two million, one hundred fifty-nine thousand, six hundred sixty-seven".