722316061 has 4 divisors (see below), whose sum is σ = 723412800. Its totient is φ = 721219324.

The previous prime is 722316059. The next prime is 722316073. The reversal of 722316061 is 160613227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160613227 = 89 ⋅1804643.

It is a cyclic number.

It is not a de Polignac number, because 722316061 - 2¹ = 722316059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722316011) 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, 547381 + ... + 548698.

It is an arithmetic number, because the mean of its divisors is an integer number (180853200).

Almost surely, 2^722316061 is an apocalyptic number.

It is an amenable number.

722316061 is a deficient number, since it is larger than the sum of its proper divisors (1096739).

722316061 is a wasteful number, since it uses less digits than its factorization.

722316061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096738.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 722316061 is about 26875.9383278054. The cubic root of 722316061 is about 897.2409583388.

Adding to 722316061 its reverse (160613227), we get a palindrome (882929288).

The spelling of 722316061 in words is "seven hundred twenty-two million, three hundred sixteen thousand, sixty-one".