18224283 has 16 divisors (see below), whose sum is σ = 30295296. Its totient is φ = 9467040.

The previous prime is 18224279. The next prime is 18224293. The reversal of 18224283 is 38242281.

It is not a de Polignac number, because 18224283 - 2² = 18224279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18224283.

It is not an unprimeable number, because it can be changed into a prime (18224243) 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 15 ways as a sum of consecutive naturals, for example, 39216 + ... + 39677.

It is an arithmetic number, because the mean of its divisors is an integer number (1893456).

Almost surely, 2^18224283 is an apocalyptic number.

18224283 is a deficient number, since it is larger than the sum of its proper divisors (12071013).

18224283 is a wasteful number, since it uses less digits than its factorization.

18224283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78914.

The product of its digits is 6144, while the sum is 30.

The square root of 18224283 is about 4268.9908643613. The cubic root of 18224283 is about 263.1581453310.

It can be divided in two parts, 1822 and 4283, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 18224283 in words is "eighteen million, two hundred twenty-four thousand, two hundred eighty-three".