18295222 has 16 divisors (see below), whose sum is σ = 30011472. Its totient is φ = 8295520.

The previous prime is 18295217. The next prime is 18295223. The reversal of 18295222 is 22259281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18295223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11508 + ... + 13000.

It is an arithmetic number, because the mean of its divisors is an integer number (1875717).

Almost surely, 2^18295222 is an apocalyptic number.

18295222 is a deficient number, since it is larger than the sum of its proper divisors (11716250).

18295222 is a wasteful number, since it uses less digits than its factorization.

18295222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its digits is 5760, while the sum is 31.

The square root of 18295222 is about 4277.2914326709. The cubic root of 18295222 is about 263.4991556490.

The spelling of 18295222 in words is "eighteen million, two hundred ninety-five thousand, two hundred twenty-two".