222009194 has 8 divisors (see below), whose sum is σ = 363287808. Its totient is φ = 100913260.

The previous prime is 222009169. The next prime is 222009217. The reversal of 222009194 is 491900222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 5045642 + ... + 5045685.

It is an arithmetic number, because the mean of its divisors is an integer number (45410976).

Almost surely, 2^222009194 is an apocalyptic number.

222009194 is a deficient number, since it is larger than the sum of its proper divisors (141278614).

222009194 is a wasteful number, since it uses less digits than its factorization.

222009194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091340.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 222009194 is about 14899.9729529956. The cubic root of 222009194 is about 605.5132534126.

The spelling of 222009194 in words is "two hundred twenty-two million, nine thousand, one hundred ninety-four".