575221320 has 96 divisors (see below), whose sum is σ = 1912996800. Its totient is φ = 149821056.

The previous prime is 575221303. The next prime is 575221327. The reversal of 575221320 is 23122575.

575221320 is a `hidden beast` number, since 5 + 7 + 522 + 132 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (575221327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3100 + ... + 34059.

It is an arithmetic number, because the mean of its divisors is an integer number (19927050).

Almost surely, 2^575221320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 575221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956498400).

575221320 is an abundant number, since it is smaller than the sum of its proper divisors (1337775480).

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

575221320 is a wasteful number, since it uses less digits than its factorization.

575221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37219 (or 37212 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 575221320 is about 23983.7720135929. The cubic root of 575221320 is about 831.6584250295.

Adding to 575221320 its reverse (23122575), we get a palindrome (598343895).

It can be divided in two parts, 5752 and 21320, that added together give a palindrome (27072).

The spelling of 575221320 in words is "five hundred seventy-five million, two hundred twenty-one thousand, three hundred twenty".