722284775 has 24 divisors (see below), whose sum is σ = 916977024. Its totient is φ = 564216800.

The previous prime is 722284721. The next prime is 722284777. The reversal of 722284775 is 577482227.

722284775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722284775 - 2²⁰ = 721236199 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 (722284777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188024 + ... + 191826.

It is an arithmetic number, because the mean of its divisors is an integer number (38207376).

Almost surely, 2^722284775 is an apocalyptic number.

722284775 is a deficient number, since it is larger than the sum of its proper divisors (194692249).

722284775 is a wasteful number, since it uses less digits than its factorization.

722284775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991 (or 3986 counting only the distinct ones).

The product of its digits is 439040, while the sum is 44.

The square root of 722284775 is about 26875.3562767082. The cubic root of 722284775 is about 897.2280039515.

The spelling of 722284775 in words is "seven hundred twenty-two million, two hundred eighty-four thousand, seven hundred seventy-five".