18114224 has 10 divisors (see below), whose sum is σ = 35096340. Its totient is φ = 9057104.

The previous prime is 18114209. The next prime is 18114227. The reversal of 18114224 is 42241181.

It is a super-2 number, since 2×18114224² = 656250222244352, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 18114224.

It is not an unprimeable number, because it can be changed into a prime (18114227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566054 + ... + 566085.

It is an arithmetic number, because the mean of its divisors is an integer number (3509634).

Almost surely, 2^18114224 is an apocalyptic number.

It is an amenable number.

18114224 is a deficient number, since it is larger than the sum of its proper divisors (16982116).

18114224 is a wasteful number, since it uses less digits than its factorization.

18114224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132147 (or 1132141 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 18114224 is about 4256.0808263002. The cubic root of 18114224 is about 262.6273256834.

The spelling of 18114224 in words is "eighteen million, one hundred fourteen thousand, two hundred twenty-four".