722415047 has 16 divisors (see below), whose sum is σ = 753494400. Its totient is φ = 692017920.

The previous prime is 722415037. The next prime is 722415053. The reversal of 722415047 is 740514227.

It is a cyclic number.

It is not a de Polignac number, because 722415047 - 2¹⁰ = 722414023 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 (722415037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419029 + ... + 1419537.

It is an arithmetic number, because the mean of its divisors is an integer number (47093400).

Almost surely, 2^722415047 is an apocalyptic number.

722415047 is a deficient number, since it is larger than the sum of its proper divisors (31079353).

722415047 is a wasteful number, since it uses less digits than its factorization.

722415047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 722415047 is about 26877.7798004225. The cubic root of 722415047 is about 897.2819423538.

The spelling of 722415047 in words is "seven hundred twenty-two million, four hundred fifteen thousand, forty-seven".