18148226 has 8 divisors (see below), whose sum is σ = 27336960. Its totient is φ = 9035908.

The previous prime is 18148217. The next prime is 18148259. The reversal of 18148226 is 62284181.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18148192 and 18148201.

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 3 ways as a sum of consecutive naturals, for example, 18506 + ... + 19461.

It is an arithmetic number, because the mean of its divisors is an integer number (3417120).

Almost surely, 2^18148226 is an apocalyptic number.

18148226 is a deficient number, since it is larger than the sum of its proper divisors (9188734).

18148226 is a wasteful number, since it uses less digits than its factorization.

18148226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38208.

The product of its digits is 6144, while the sum is 32.

The square root of 18148226 is about 4260.0734735448. The cubic root of 18148226 is about 262.7915478765.

The spelling of 18148226 in words is "eighteen million, one hundred forty-eight thousand, two hundred twenty-six".