223113472 has 72 divisors (see below), whose sum is σ = 472593240. Its totient is φ = 104939520.

The previous prime is 223113469. The next prime is 223113481. The reversal of 223113472 is 274311322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40755456 + 182358016 = 6384^2 + 13504^2 .

It is a super-3 number, since 3×223113472³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304018 + ... + 304750.

It is an arithmetic number, because the mean of its divisors is an integer number (6563795).

Almost surely, 2^223113472 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 223113472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236296620).

223113472 is an abundant number, since it is smaller than the sum of its proper divisors (249479768).

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

223113472 is an equidigital number, since it uses as much as digits as its factorization.

223113472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 805 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 223113472 is about 14936.9833634506. The cubic root of 223113472 is about 606.5155383054.

Adding to 223113472 its reverse (274311322), we get a palindrome (497424794).

The spelling of 223113472 in words is "two hundred twenty-three million, one hundred thirteen thousand, four hundred seventy-two".