32216432 has 20 divisors (see below), whose sum is σ = 63748896. Its totient is φ = 15765120.

The previous prime is 32216423. The next prime is 32216441. The reversal of 32216432 is 23461223.

It is an interprime number because it is at equal distance from previous prime (32216423) and next prime (32216441).

It is a junction number, because it is equal to n+sod(n) for n = 32216398 and 32216407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20669 + ... + 22172.

Almost surely, 2^32216432 is an apocalyptic number.

It is an amenable number.

32216432 is a deficient number, since it is larger than the sum of its proper divisors (31532464).

32216432 is a wasteful number, since it uses less digits than its factorization.

32216432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42896 (or 42890 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 32216432 is about 5675.9520787265. The cubic root of 32216432 is about 318.1943618852.

Adding to 32216432 its reverse (23461223), we get a palindrome (55677655).

The spelling of 32216432 in words is "thirty-two million, two hundred sixteen thousand, four hundred thirty-two".