18030122 has 16 divisors (see below), whose sum is σ = 29570400. Its totient is φ = 8177040.

The previous prime is 18030121. The next prime is 18030143. The reversal of 18030122 is 22103081.

It is a self number, because there is not a number n which added to its sum of digits gives 18030122.

It is not an unprimeable number, because it can be changed into a prime (18030121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15704 + ... + 16812.

It is an arithmetic number, because the mean of its divisors is an integer number (1848150).

Almost surely, 2^18030122 is an apocalyptic number.

18030122 is a deficient number, since it is larger than the sum of its proper divisors (11540278).

18030122 is a wasteful number, since it uses less digits than its factorization.

18030122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 18030122 is about 4246.1891149594. The cubic root of 18030122 is about 262.2202467879.

The spelling of 18030122 in words is "eighteen million, thirty thousand, one hundred twenty-two".