572332221 has 6 divisors (see below), whose sum is σ = 826702110. Its totient is φ = 381554808.

The previous prime is 572332219. The next prime is 572332223. The reversal of 572332221 is 122233275.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (572332219) and next prime (572332223).

It can be written as a sum of positive squares in only one way, i.e., 501267321 + 71064900 = 22389^2 + 8430^2 .

It is not a de Polignac number, because 572332221 - 2¹ = 572332219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572332223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31796226 + ... + 31796243.

It is an arithmetic number, because the mean of its divisors is an integer number (137783685).

Almost surely, 2^572332221 is an apocalyptic number.

It is an amenable number.

572332221 is a deficient number, since it is larger than the sum of its proper divisors (254369889).

572332221 is a wasteful number, since it uses less digits than its factorization.

572332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63592475 (or 63592472 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 572332221 is about 23923.4659069291. The cubic root of 572332221 is about 830.2637285505.

Adding to 572332221 its reverse (122233275), we get a palindrome (694565496).

The spelling of 572332221 in words is "five hundred seventy-two million, three hundred thirty-two thousand, two hundred twenty-one".