8022278 has 16 divisors (see below), whose sum is σ = 13177296. Its totient is φ = 3632640.

The previous prime is 8022257. The next prime is 8022281. The reversal of 8022278 is 8722208.

It is a self number, because there is not a number n which added to its sum of digits gives 8022278.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7250 + ... + 8282.

It is an arithmetic number, because the mean of its divisors is an integer number (823581).

Almost surely, 2^8022278 is an apocalyptic number.

8022278 is a deficient number, since it is larger than the sum of its proper divisors (5155018).

8022278 is a wasteful number, since it uses less digits than its factorization.

8022278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 8022278 is about 2832.3626180276. The cubic root of 8022278 is about 200.1854779365.

The spelling of 8022278 in words is "eight million, twenty-two thousand, two hundred seventy-eight".