18065226 has 8 divisors (see below), whose sum is σ = 36130464. Its totient is φ = 6021740.

The previous prime is 18065221. The next prime is 18065227. The reversal of 18065226 is 62256081.

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

18065226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18065193 and 18065202.

It is not an unprimeable number, because it can be changed into a prime (18065221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505430 + ... + 1505441.

It is an arithmetic number, because the mean of its divisors is an integer number (4516308).

Almost surely, 2^18065226 is an apocalyptic number.

18065226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18065226 is a wasteful number, since it uses less digits than its factorization.

18065226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010876.

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

The square root of 18065226 is about 4250.3206937830. The cubic root of 18065226 is about 262.3903142649.

The spelling of 18065226 in words is "eighteen million, sixty-five thousand, two hundred twenty-six".