722253029 has 4 divisors (see below), whose sum is σ = 726428076. Its totient is φ = 718077984.

The previous prime is 722253019. The next prime is 722253047. The reversal of 722253029 is 920352227.

722253029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 701985025 + 20268004 = 26495^2 + 4502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722253029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722252986 and 722253004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722253019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087264 + ... + 2087609.

It is an arithmetic number, because the mean of its divisors is an integer number (181607019).

Almost surely, 2^722253029 is an apocalyptic number.

It is an amenable number.

722253029 is a deficient number, since it is larger than the sum of its proper divisors (4175047).

722253029 is a wasteful number, since it uses less digits than its factorization.

722253029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175046.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 722253029 is about 26874.7656547922. The cubic root of 722253029 is about 897.2148587128.

The spelling of 722253029 in words is "seven hundred twenty-two million, two hundred fifty-three thousand, twenty-nine".