32122216 has 48 divisors (see below), whose sum is σ = 70912800. Its totient is φ = 13362624.

The previous prime is 32122213. The next prime is 32122241. The reversal of 32122216 is 61222123.

It is a junction number, because it is equal to n+sod(n) for n = 32122193 and 32122202.

It is not an unprimeable number, because it can be changed into a prime (32122213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76455 + ... + 76873.

It is an arithmetic number, because the mean of its divisors is an integer number (1477350).

Almost surely, 2^32122216 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 32122216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35456400).

32122216 is an abundant number, since it is smaller than the sum of its proper divisors (38790584).

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

32122216 is a wasteful number, since it uses less digits than its factorization.

32122216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 465 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 32122216 is about 5667.6464251045. The cubic root of 32122216 is about 317.8838756939.

Adding to 32122216 its reverse (61222123), we get a palindrome (93344339).

The spelling of 32122216 in words is "thirty-two million, one hundred twenty-two thousand, two hundred sixteen".