223572 has 24 divisors (see below), whose sum is σ = 539392. Its totient is φ = 72000.

The previous prime is 223549. The next prime is 223577. The reversal of 223572 is 275322.

223572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223577) by changing a digit.

223572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72 + ... + 672.

2²²³⁵⁷² is an apocalyptic number.

It is an amenable number.

223572 is an abundant number, since it is smaller than the sum of its proper divisors (315820).

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

223572 is a wasteful number, since it uses less digits than its factorization.

223572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 637 counting only the distinct ones).

The product of its digits is 840, while the sum is 21.

The square root of 223572 is about 472.8340089291. The cubic root of 223572 is about 60.6930744161.

Adding to 223572 its reverse (275322), we get a palindrome (498894).

The spelling of 223572 in words is "two hundred twenty-three thousand, five hundred seventy-two".