572220 has 108 divisors (see below), whose sum is σ = 2011464. Its totient is φ = 130560.

The previous prime is 572207. The next prime is 572233. The reversal of 572220 is 22275.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (572207) and next prime (572233).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 572193 and 572202.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 33652 + ... + 33668.

2⁵⁷²²²⁰ 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 572220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005732).

572220 is an abundant number, since it is smaller than the sum of its proper divisors (1439244).

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

572220 is a wasteful number, since it uses less digits than its factorization.

572220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 572220 is about 756.4522456838. The cubic root of 572220 is about 83.0209459886.

Adding to 572220 its reverse (22275), we get a palindrome (594495).

Subtracting from 572220 its reverse (22275), we obtain a palindrome (549945).

The spelling of 572220 in words is "five hundred seventy-two thousand, two hundred twenty".