18226835 has 24 divisors (see below), whose sum is σ = 24591168. Its totient is φ = 12953600.

The previous prime is 18226807. The next prime is 18226843. The reversal of 18226835 is 53862281.

It is not a de Polignac number, because 18226835 - 2¹⁰ = 18225811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18226795 and 18226804.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28115 + ... + 28755.

It is an arithmetic number, because the mean of its divisors is an integer number (1024632).

Almost surely, 2^18226835 is an apocalyptic number.

18226835 is a deficient number, since it is larger than the sum of its proper divisors (6364333).

18226835 is a wasteful number, since it uses less digits than its factorization.

18226835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 704 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 18226835 is about 4269.2897535773. The cubic root of 18226835 is about 263.1704283609.

The spelling of 18226835 in words is "eighteen million, two hundred twenty-six thousand, eight hundred thirty-five".