8021422 has 8 divisors (see below), whose sum is σ = 12112272. Its totient is φ = 3984000.

The previous prime is 8021413. The next prime is 8021471. The reversal of 8021422 is 2241208.

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 8021422.

It is a congruent number.

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, 12979 + ... + 13582.

It is an arithmetic number, because the mean of its divisors is an integer number (1514034).

Almost surely, 2^8021422 is an apocalyptic number.

8021422 is a deficient number, since it is larger than the sum of its proper divisors (4090850).

8021422 is a wasteful number, since it uses less digits than its factorization.

8021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26714.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8021422 is about 2832.2115034015. The cubic root of 8021422 is about 200.1783575623.

The spelling of 8021422 in words is "eight million, twenty-one thousand, four hundred twenty-two".