32216632 has 64 divisors (see below), whose sum is σ = 74891520. Its totient is φ = 12676608.

The previous prime is 32216627. The next prime is 32216641. The reversal of 32216632 is 23661223.

It is a happy number.

It is a super-2 number, since 2×32216632² = 2075822754846848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32216597 and 32216606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40543 + ... + 41329.

It is an arithmetic number, because the mean of its divisors is an integer number (1170180).

Almost surely, 2^32216632 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 32216632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37445760).

32216632 is an abundant number, since it is smaller than the sum of its proper divisors (42674888).

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

32216632 is a wasteful number, since it uses less digits than its factorization.

32216632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 856 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 32216632 is about 5675.9696968888. The cubic root of 32216632 is about 318.1950203353.

Adding to 32216632 its reverse (23661223), we get a palindrome (55877855).

The spelling of 32216632 in words is "thirty-two million, two hundred sixteen thousand, six hundred thirty-two".