18222162806 has 16 divisors (see below), whose sum is σ = 27639834144. Its totient is φ = 9009149184.

The previous prime is 18222162799. The next prime is 18222162811. The reversal of 18222162806 is 60826122281.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18222162806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72920 + ... + 204356.

It is an arithmetic number, because the mean of its divisors is an integer number (1727489634).

Almost surely, 2^18222162806 is an apocalyptic number.

18222162806 is a deficient number, since it is larger than the sum of its proper divisors (9417671338).

18222162806 is a wasteful number, since it uses less digits than its factorization.

18222162806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132215.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 18222162806 in words is "eighteen billion, two hundred twenty-two million, one hundred sixty-two thousand, eight hundred six".