222164011 has 4 divisors (see below), whose sum is σ = 229330624. Its totient is φ = 214997400.

The previous prime is 222164009. The next prime is 222164023. The reversal of 222164011 is 110461222.

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

It is not a de Polignac number, because 222164011 - 2¹ = 222164009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222164011.

It is not an unprimeable number, because it can be changed into a prime (222164051) 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, 3583260 + ... + 3583321.

It is an arithmetic number, because the mean of its divisors is an integer number (57332656).

Almost surely, 2^222164011 is an apocalyptic number.

222164011 is a deficient number, since it is larger than the sum of its proper divisors (7166613).

222164011 is an equidigital number, since it uses as much as digits as its factorization.

222164011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166612.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 222164011 is about 14905.1672583705. The cubic root of 222164011 is about 605.6539712533.

The spelling of 222164011 in words is "two hundred twenty-two million, one hundred sixty-four thousand, eleven".