18195214 has 8 divisors (see below), whose sum is σ = 27311328. Its totient is φ = 9091440.

The previous prime is 18195193. The next prime is 18195227. The reversal of 18195214 is 41259181.

It is a happy number.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3019 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (3413916).

Almost surely, 2^18195214 is an apocalyptic number.

18195214 is a deficient number, since it is larger than the sum of its proper divisors (9116114).

18195214 is a wasteful number, since it uses less digits than its factorization.

18195214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170.

The product of its digits is 2880, while the sum is 31.

The square root of 18195214 is about 4265.5848368073. The cubic root of 18195214 is about 263.0181523515.

The spelling of 18195214 in words is "eighteen million, one hundred ninety-five thousand, two hundred fourteen".