8219422 has 8 divisors (see below), whose sum is σ = 12358296. Its totient is φ = 4099992.

The previous prime is 8219411. The next prime is 8219423. The reversal of 8219422 is 2249128.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8219423) 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, 3753 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (1544787).

Almost surely, 2^8219422 is an apocalyptic number.

8219422 is a deficient number, since it is larger than the sum of its proper divisors (4138874).

8219422 is a wasteful number, since it uses less digits than its factorization.

8219422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722.

The product of its digits is 2304, while the sum is 28.

The square root of 8219422 is about 2866.9534352689. The cubic root of 8219422 is about 201.8120494677.

The spelling of 8219422 in words is "eight million, two hundred nineteen thousand, four hundred twenty-two".