32213532 has 48 divisors (see below), whose sum is σ = 83149472. Its totient is φ = 9642240.

The previous prime is 32213497. The next prime is 32213537. The reversal of 32213532 is 23531223.

It is a junction number, because it is equal to n+sod(n) for n = 32213499 and 32213508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32213537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2982 + ... + 8562.

Almost surely, 2^32213532 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 32213532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41574736).

32213532 is an abundant number, since it is smaller than the sum of its proper divisors (50935940).

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

32213532 is a wasteful number, since it uses less digits than its factorization.

32213532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638 (or 5636 counting only the distinct ones).

The product of its digits is 1080, while the sum is 21.

The square root of 32213532 is about 5675.6966092278. The cubic root of 32213532 is about 318.1848140522.

Adding to 32213532 its reverse (23531223), we get a palindrome (55744755).

The spelling of 32213532 in words is "thirty-two million, two hundred thirteen thousand, five hundred thirty-two".