722771 has 8 divisors (see below), whose sum is σ = 837120. Its totient is φ = 611208.

The previous prime is 722749. The next prime is 722783. The reversal of 722771 is 177227.

722771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 722771 - 2¹⁸ = 460627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722771.

It is not an unprimeable number, because it can be changed into a prime (722791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 1206.

It is an arithmetic number, because the mean of its divisors is an integer number (104640).

2⁷²²⁷⁷¹ is an apocalyptic number.

722771 is a deficient number, since it is larger than the sum of its proper divisors (114349).

722771 is a wasteful number, since it uses less digits than its factorization.

722771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393.

The product of its digits is 1372, while the sum is 26.

The square root of 722771 is about 850.1593968192. The cubic root of 722771 is about 89.7429289671.

Adding to 722771 its reverse (177227), we get a palindrome (899998).

The spelling of 722771 in words is "seven hundred twenty-two thousand, seven hundred seventy-one", and thus it is an iban number.