8000722 has 4 divisors (see below), whose sum is σ = 12001086. Its totient is φ = 4000360.

The previous prime is 8000719. The next prime is 8000747. The reversal of 8000722 is 2270008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4076361 + 3924361 = 2019^2 + 1981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8000722.

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 as a sum of consecutive naturals, namely, 2000179 + ... + 2000182.

Almost surely, 2^8000722 is an apocalyptic number.

8000722 is a deficient number, since it is larger than the sum of its proper divisors (4000364).

8000722 is a wasteful number, since it uses less digits than its factorization.

8000722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000363.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 8000722 is about 2828.5547546406. The cubic root of 8000722 is about 200.0060164857.

The spelling of 8000722 in words is "eight million, seven hundred twenty-two", and thus it is an aban number.