722147563 has 4 divisors (see below), whose sum is σ = 728772880. Its totient is φ = 715522248.

The previous prime is 722147557. The next prime is 722147567. The reversal of 722147563 is 365741227.

It is a happy number.

722147563 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722147563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722147567) 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, 3312495 + ... + 3312712.

It is an arithmetic number, because the mean of its divisors is an integer number (182193220).

Almost surely, 2^722147563 is an apocalyptic number.

722147563 is a deficient number, since it is larger than the sum of its proper divisors (6625317).

722147563 is a wasteful number, since it uses less digits than its factorization.

722147563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625316.

The product of its digits is 70560, while the sum is 37.

The square root of 722147563 is about 26872.8034079067. The cubic root of 722147563 is about 897.1711850671.

The spelling of 722147563 in words is "seven hundred twenty-two million, one hundred forty-seven thousand, five hundred sixty-three".