223115232 has 24 divisors (see below), whose sum is σ = 585677736. Its totient is φ = 74371712.

The previous prime is 223115177. The next prime is 223115237. The reversal of 223115232 is 232511322.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×223115232³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223115199 and 223115208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223115237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161963 + ... + 1162154.

It is an arithmetic number, because the mean of its divisors is an integer number (24403239).

Almost surely, 2^223115232 is an apocalyptic number.

It is an amenable number.

223115232 is an abundant number, since it is smaller than the sum of its proper divisors (362562504).

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

223115232 is a wasteful number, since it uses less digits than its factorization.

223115232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324130 (or 2324122 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 223115232 is about 14937.0422775059. The cubic root of 223115232 is about 606.5171331061.

Adding to 223115232 its reverse (232511322), we get a palindrome (455626554).

The spelling of 223115232 in words is "two hundred twenty-three million, one hundred fifteen thousand, two hundred thirty-two".