722582145 has 48 divisors (see below), whose sum is σ = 1329194880. Its totient is φ = 362343168.

The previous prime is 722582143. The next prime is 722582171. The reversal of 722582145 is 541285227.

It is a happy number.

722582145 is a `hidden beast` number, since 72 + 2 + 582 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 722582145 - 2¹ = 722582143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722582143) 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 47 ways as a sum of consecutive naturals, for example, 55149 + ... + 66981.

It is an arithmetic number, because the mean of its divisors is an integer number (27691560).

Almost surely, 2^722582145 is an apocalyptic number.

It is an amenable number.

722582145 is a deficient number, since it is larger than the sum of its proper divisors (606612735).

722582145 is a wasteful number, since it uses less digits than its factorization.

722582145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11926 (or 11923 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 722582145 is about 26880.8880991682. Note that the first 3 decimals coincide. The cubic root of 722582145 is about 897.3511188657.

The spelling of 722582145 in words is "seven hundred twenty-two million, five hundred eighty-two thousand, one hundred forty-five".