722061 has 16 divisors (see below), whose sum is σ = 1094400. Its totient is φ = 470304.

The previous prime is 722047. The next prime is 722063. The reversal of 722061 is 160227.

It is a happy number.

It is not a de Polignac number, because 722061 - 2⁶ = 721997 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722061.

It is not an unprimeable number, because it can be changed into a prime (722063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2⁷²²⁰⁶¹ is an apocalyptic number.

It is an amenable number.

722061 is a deficient number, since it is larger than the sum of its proper divisors (372339).

722061 is a wasteful number, since it uses less digits than its factorization.

722061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 722061 is about 849.7417254672. The cubic root of 722061 is about 89.7135336008.

Adding to 722061 its reverse (160227), we get a palindrome (882288).

The spelling of 722061 in words is "seven hundred twenty-two thousand, sixty-one".