8138222 has 8 divisors (see below), whose sum is σ = 12389736. Its totient is φ = 4008312.

The previous prime is 8138219. The next prime is 8138227. The reversal of 8138222 is 2228318.

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 = 8138191 and 8138200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138227) 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, 30233 + ... + 30500.

It is an arithmetic number, because the mean of its divisors is an integer number (1548717).

Almost surely, 2^8138222 is an apocalyptic number.

8138222 is a deficient number, since it is larger than the sum of its proper divisors (4251514).

8138222 is a wasteful number, since it uses less digits than its factorization.

8138222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60802.

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

The square root of 8138222 is about 2852.7569121816. The cubic root of 8138222 is about 201.1452791597.

The spelling of 8138222 in words is "eight million, one hundred thirty-eight thousand, two hundred twenty-two".