18084226 has 16 divisors (see below), whose sum is σ = 29714040. Its totient is φ = 8216320.

The previous prime is 18084223. The next prime is 18084229. The reversal of 18084226 is 62248081.

It is an interprime number because it is at equal distance from previous prime (18084223) and next prime (18084229).

It can be written as a sum of positive squares in 4 ways, for example, as 14478025 + 3606201 = 3805^2 + 1899^2 .

It is not an unprimeable number, because it can be changed into a prime (18084223) 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, 8185 + ... + 10156.

Almost surely, 2^18084226 is an apocalyptic number.

18084226 is a deficient number, since it is larger than the sum of its proper divisors (11629814).

18084226 is a wasteful number, since it uses less digits than its factorization.

18084226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18389.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 18084226 is about 4252.5552318577. Note that the first 3 decimals coincide. The cubic root of 18084226 is about 262.4822712138.

The spelling of 18084226 in words is "eighteen million, eighty-four thousand, two hundred twenty-six".