57232722 has 16 divisors (see below), whose sum is σ = 114959520. Its totient is φ = 18995232.

The previous prime is 57232667. The next prime is 57232741. The reversal of 57232722 is 22723275.

57232722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57232722.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19072 + ... + 21867.

It is an arithmetic number, because the mean of its divisors is an integer number (7184970).

Almost surely, 2^57232722 is an apocalyptic number.

57232722 is an abundant number, since it is smaller than the sum of its proper divisors (57726798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57232722 is a wasteful number, since it uses less digits than its factorization.

57232722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41177.

The product of its digits is 11760, while the sum is 30.

The square root of 57232722 is about 7565.2311266742. The cubic root of 57232722 is about 385.3731626780.

Adding to 57232722 its reverse (22723275), we get a palindrome (79955997).

The spelling of 57232722 in words is "fifty-seven million, two hundred thirty-two thousand, seven hundred twenty-two".