800722 has 24 divisors (see below), whose sum is σ = 1370304. Its totient is φ = 350064.

The previous prime is 800711. The next prime is 800729. The reversal of 800722 is 227008.

It is a Smith number, since the sum of its digits (19) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 800722.

It is not an unprimeable number, because it can be changed into a prime (800729) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7723 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (57096).

2⁸⁰⁰⁷²² is an apocalyptic number.

800722 is a deficient number, since it is larger than the sum of its proper divisors (569582).

800722 is a wasteful number, since it uses less digits than its factorization.

800722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 141 counting only the distinct ones).

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

The square root of 800722 is about 894.8307102464. The cubic root of 800722 is about 92.8596951679.

It can be divided in two parts, 800 and 722, that multiplied together give a square (577600 = 760²).

The spelling of 800722 in words is "eight hundred thousand, seven hundred twenty-two".