223531452 has 36 divisors (see below), whose sum is σ = 583267776. Its totient is φ = 72106560.

The previous prime is 223531433. The next prime is 223531463. The reversal of 223531452 is 254135322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99033 + ... + 101264.

Almost surely, 2^223531452 is an apocalyptic number.

It is an amenable number.

223531452 is an abundant number, since it is smaller than the sum of its proper divisors (359736324).

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

223531452 is a wasteful number, since it uses less digits than its factorization.

223531452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200338 (or 200333 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 223531452 is about 14950.9682629588. The cubic root of 223531452 is about 606.8940500673.

Adding to 223531452 its reverse (254135322), we get a palindrome (477666774).

The spelling of 223531452 in words is "two hundred twenty-three million, five hundred thirty-one thousand, four hundred fifty-two".