8381222 has 8 divisors (see below), whose sum is σ = 12977472. Its totient is φ = 4055400.

The previous prime is 8381209. The next prime is 8381227. The reversal of 8381222 is 2221838.

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

It is a junction number, because it is equal to n+sod(n) for n = 8381191 and 8381200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67529 + ... + 67652.

It is an arithmetic number, because the mean of its divisors is an integer number (1622184).

Almost surely, 2^8381222 is an apocalyptic number.

8381222 is a deficient number, since it is larger than the sum of its proper divisors (4596250).

8381222 is a wasteful number, since it uses less digits than its factorization.

8381222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135214.

The product of its digits is 1536, while the sum is 26.

The square root of 8381222 is about 2895.0340239797. The cubic root of 8381222 is about 203.1276830257.

The spelling of 8381222 in words is "eight million, three hundred eighty-one thousand, two hundred twenty-two".