722163 has 8 divisors (see below), whose sum is σ = 1037008. Its totient is φ = 444384.

The previous prime is 722159. The next prime is 722167. The reversal of 722163 is 361227.

It is a happy number.

722163 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 (722159) and next prime (722167).

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

It is not a de Polignac number, because 722163 - 2² = 722159 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722163.

It is not an unprimeable number, because it can be changed into a prime (722167) 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, 9220 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (129626).

2⁷²²¹⁶³ is an apocalyptic number.

722163 is a deficient number, since it is larger than the sum of its proper divisors (314845).

722163 is a wasteful number, since it uses less digits than its factorization.

722163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18533.

The product of its digits is 504, while the sum is 21.

The square root of 722163 is about 849.8017415845. The cubic root of 722163 is about 89.7177577820.

The spelling of 722163 in words is "seven hundred twenty-two thousand, one hundred sixty-three".