722065541 has 8 divisors (see below), whose sum is σ = 739176000. Its totient is φ = 705117600.

The previous prime is 722065529. The next prime is 722065549. The reversal of 722065541 is 145560227.

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 722065541 - 2¹⁰ = 722064517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 722065498 and 722065507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722065549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31616 + ... + 49433.

It is an arithmetic number, because the mean of its divisors is an integer number (92397000).

Almost surely, 2^722065541 is an apocalyptic number.

It is an amenable number.

722065541 is a deficient number, since it is larger than the sum of its proper divisors (17110459).

722065541 is a wasteful number, since it uses less digits than its factorization.

722065541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81259.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 722065541 is about 26871.2772491372. The cubic root of 722065541 is about 897.1372166813.

The spelling of 722065541 in words is "seven hundred twenty-two million, sixty-five thousand, five hundred forty-one".