18244195 has 8 divisors (see below), whose sum is σ = 21916944. Its totient is φ = 14579424.

The previous prime is 18244183. The next prime is 18244211. The reversal of 18244195 is 59144281.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18244195 - 2⁷ = 18244067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18244195.

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 7 ways as a sum of consecutive naturals, for example, 5857 + ... + 8413.

It is an arithmetic number, because the mean of its divisors is an integer number (2739618).

Almost surely, 2^18244195 is an apocalyptic number.

18244195 is a deficient number, since it is larger than the sum of its proper divisors (3672749).

18244195 is a wasteful number, since it uses less digits than its factorization.

18244195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989.

The product of its digits is 11520, while the sum is 34.

The square root of 18244195 is about 4271.3223947625. The cubic root of 18244195 is about 263.2539533567.

The spelling of 18244195 in words is "eighteen million, two hundred forty-four thousand, one hundred ninety-five".