8218150 has 12 divisors (see below), whose sum is σ = 15285852. Its totient is φ = 3287240.

The previous prime is 8218141. The next prime is 8218187. The reversal of 8218150 is 518128.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82132 + ... + 82231.

It is an arithmetic number, because the mean of its divisors is an integer number (1273821).

Almost surely, 2^8218150 is an apocalyptic number.

8218150 is a deficient number, since it is larger than the sum of its proper divisors (7067702).

8218150 is a wasteful number, since it uses less digits than its factorization.

8218150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164375 (or 164370 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 8218150 is about 2866.7315884121. The cubic root of 8218150 is about 201.8016384287.

The spelling of 8218150 in words is "eight million, two hundred eighteen thousand, one hundred fifty".