18226056 has 64 divisors (see below), whose sum is σ = 47099520. Its totient is φ = 5875200.

The previous prime is 18226037. The next prime is 18226067. The reversal of 18226056 is 65062281.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176901 + ... + 177003.

It is an arithmetic number, because the mean of its divisors is an integer number (735930).

Almost surely, 2^18226056 is an apocalyptic number.

It is an amenable number.

18226056 is an abundant number, since it is smaller than the sum of its proper divisors (28873464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18226056 is a wasteful number, since it uses less digits than its factorization.

18226056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 18226056 is about 4269.1985196287. The cubic root of 18226056 is about 263.1666790780.

The spelling of 18226056 in words is "eighteen million, two hundred twenty-six thousand, fifty-six".