18224027 has 8 divisors (see below), whose sum is σ = 19067136. Its totient is φ = 17385192.

The previous prime is 18224023. The next prime is 18224029. The reversal of 18224027 is 72042281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18224027 - 2² = 18224023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18223987 and 18224005.

It is not an unprimeable number, because it can be changed into a prime (18224023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10388 + ... + 12014.

It is an arithmetic number, because the mean of its divisors is an integer number (2383392).

Almost surely, 2^18224027 is an apocalyptic number.

18224027 is a deficient number, since it is larger than the sum of its proper divisors (843109).

18224027 is a wasteful number, since it uses less digits than its factorization.

18224027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 18224027 is about 4268.9608805891. The cubic root of 18224027 is about 263.1569131142.

The spelling of 18224027 in words is "eighteen million, two hundred twenty-four thousand, twenty-seven".