18343226 has 8 divisors (see below), whose sum is σ = 30016224. Its totient is φ = 8337820.

The previous prime is 18343219. The next prime is 18343229. The reversal of 18343226 is 62234381.

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

It is not an unprimeable number, because it can be changed into a prime (18343229) 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, 416870 + ... + 416913.

It is an arithmetic number, because the mean of its divisors is an integer number (3752028).

Almost surely, 2^18343226 is an apocalyptic number.

18343226 is a deficient number, since it is larger than the sum of its proper divisors (11672998).

18343226 is a wasteful number, since it uses less digits than its factorization.

18343226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833796.

The product of its digits is 6912, while the sum is 29.

The square root of 18343226 is about 4282.8992516752. The cubic root of 18343226 is about 263.7294155225.

The spelling of 18343226 in words is "eighteen million, three hundred forty-three thousand, two hundred twenty-six".