18825226 has 16 divisors (see below), whose sum is σ = 32682240. Its totient is φ = 7965360.

The previous prime is 18825221. The next prime is 18825227. The reversal of 18825226 is 62252881.

It is a junction number, because it is equal to n+sod(n) for n = 18825191 and 18825200.

It is not an unprimeable number, because it can be changed into a prime (18825221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7405 + ... + 9616.

It is an arithmetic number, because the mean of its divisors is an integer number (2042640).

Almost surely, 2^18825226 is an apocalyptic number.

18825226 is a deficient number, since it is larger than the sum of its proper divisors (13857014).

18825226 is a wasteful number, since it uses less digits than its factorization.

18825226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17109.

The product of its digits is 15360, while the sum is 34.

The square root of 18825226 is about 4338.8046741009. The cubic root of 18825226 is about 266.0194551131.

The spelling of 18825226 in words is "eighteen million, eight hundred twenty-five thousand, two hundred twenty-six".