18134226 has 32 divisors (see below), whose sum is σ = 43963200. Its totient is φ = 5495040.

The previous prime is 18134201. The next prime is 18134243. The reversal of 18134226 is 62243181.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 18134226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14671 + ... + 15858.

It is an arithmetic number, because the mean of its divisors is an integer number (1373850).

Almost surely, 2^18134226 is an apocalyptic number.

18134226 is an abundant number, since it is smaller than the sum of its proper divisors (25828974).

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

18134226 is a wasteful number, since it uses less digits than its factorization.

18134226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551 (or 30545 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 18134226 is about 4258.4299923798. The cubic root of 18134226 is about 262.7239558132.

The spelling of 18134226 in words is "eighteen million, one hundred thirty-four thousand, two hundred twenty-six".