18244196 has 12 divisors (see below), whose sum is σ = 33805548. Its totient is φ = 8585472.

The previous prime is 18244183. The next prime is 18244211. The reversal of 18244196 is 69144281.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15054400 + 3189796 = 3880^2 + 1786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134081 + ... + 134216.

It is an arithmetic number, because the mean of its divisors is an integer number (2817129).

Almost surely, 2^18244196 is an apocalyptic number.

It is an amenable number.

18244196 is a deficient number, since it is larger than the sum of its proper divisors (15561352).

18244196 is a wasteful number, since it uses less digits than its factorization.

18244196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268318 (or 268316 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 18244196 is about 4271.3225118223. The cubic root of 18244196 is about 263.2539581665.

The spelling of 18244196 in words is "eighteen million, two hundred forty-four thousand, one hundred ninety-six".