18222106 has 16 divisors (see below), whose sum is σ = 31401216. Its totient is φ = 7768656.

The previous prime is 18222097. The next prime is 18222109. The reversal of 18222106 is 60122281.

It is not an unprimeable number, because it can be changed into a prime (18222109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (1962576).

Almost surely, 2^18222106 is an apocalyptic number.

18222106 is a deficient number, since it is larger than the sum of its proper divisors (13179110).

18222106 is a wasteful number, since it uses less digits than its factorization.

18222106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 18222106 is about 4268.7358784539. The cubic root of 18222106 is about 263.1476663070.

Adding to 18222106 its reverse (60122281), we get a palindrome (78344387).

The spelling of 18222106 in words is "eighteen million, two hundred twenty-two thousand, one hundred six".