722841 has 8 divisors (see below), whose sum is σ = 1101504. Its totient is φ = 413040.

The previous prime is 722833. The next prime is 722849. The reversal of 722841 is 148227.

722841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (722833) and next prime (722849).

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

It is not a de Polignac number, because 722841 - 2³ = 722833 is a prime.

It is a super-2 number, since 2×722841² = 1044998222562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722849) 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, 17190 + ... + 17231.

It is an arithmetic number, because the mean of its divisors is an integer number (137688).

2⁷²²⁸⁴¹ is an apocalyptic number.

It is an amenable number.

722841 is a deficient number, since it is larger than the sum of its proper divisors (378663).

722841 is a wasteful number, since it uses less digits than its factorization.

722841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34431.

The product of its digits is 896, while the sum is 24.

The square root of 722841 is about 850.2005645729. The cubic root of 722841 is about 89.7458260590.

The spelling of 722841 in words is "seven hundred twenty-two thousand, eight hundred forty-one".