223253581 has 8 divisors (see below), whose sum is σ = 230430240. Its totient is φ = 216190128.

The previous prime is 223253579. The next prime is 223253609. The reversal of 223253581 is 185352322.

223253581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223253581 - 2¹ = 223253579 is a prime.

It is a super-3 number, since 3×223253581³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223253081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24286 + ... + 32191.

It is an arithmetic number, because the mean of its divisors is an integer number (28803780).

Almost surely, 2^223253581 is an apocalyptic number.

It is an amenable number.

223253581 is a deficient number, since it is larger than the sum of its proper divisors (7176659).

223253581 is an equidigital number, since it uses as much as digits as its factorization.

223253581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56603.

The product of its digits is 14400, while the sum is 31.

The square root of 223253581 is about 14941.6726305993. The cubic root of 223253581 is about 606.6424699858.

The spelling of 223253581 in words is "two hundred twenty-three million, two hundred fifty-three thousand, five hundred eighty-one".