223212532 has 24 divisors (see below), whose sum is σ = 413360640. Its totient is φ = 105171840.

The previous prime is 223212523. The next prime is 223212547. The reversal of 223212532 is 235212322.

It is a super-3 number, since 3×223212532³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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, 6828 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (17223360).

Almost surely, 2^223212532 is an apocalyptic number.

It is an amenable number.

223212532 is a deficient number, since it is larger than the sum of its proper divisors (190148108).

223212532 is a wasteful number, since it uses less digits than its factorization.

223212532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15591 (or 15589 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 223212532 is about 14940.2989260590. The cubic root of 223212532 is about 606.6052871659.

Adding to 223212532 its reverse (235212322), we get a palindrome (458424854).

The spelling of 223212532 in words is "two hundred twenty-three million, two hundred twelve thousand, five hundred thirty-two".