18227796 has 24 divisors (see below), whose sum is σ = 43046304. Its totient is φ = 6002400.

The previous prime is 18227767. The next prime is 18227809. The reversal of 18227796 is 69772281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8155 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (1793596).

Almost surely, 2^18227796 is an apocalyptic number.

It is an amenable number.

18227796 is an abundant number, since it is smaller than the sum of its proper divisors (24818508).

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

18227796 is a wasteful number, since it uses less digits than its factorization.

18227796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18391 (or 18389 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 18227796 is about 4269.4023000884. The cubic root of 18227796 is about 263.1750534524.

The spelling of 18227796 in words is "eighteen million, two hundred twenty-seven thousand, seven hundred ninety-six".