8225138 has 8 divisors (see below), whose sum is σ = 12987120. Its totient is φ = 3896100.

The previous prime is 8225117. The next prime is 8225149. The reversal of 8225138 is 8315228.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8225138.

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, 108188 + ... + 108263.

It is an arithmetic number, because the mean of its divisors is an integer number (1623390).

Almost surely, 2^8225138 is an apocalyptic number.

8225138 is a deficient number, since it is larger than the sum of its proper divisors (4761982).

8225138 is a wasteful number, since it uses less digits than its factorization.

8225138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216472.

The product of its digits is 3840, while the sum is 29.

The square root of 8225138 is about 2867.9501390366. The cubic root of 8225138 is about 201.8588204115.

The spelling of 8225138 in words is "eight million, two hundred twenty-five thousand, one hundred thirty-eight".