3220632 has 48 divisors (see below), whose sum is σ = 8943480. Its totient is φ = 1046400.

The previous prime is 3220627. The next prime is 3220639. The reversal of 3220632 is 2360223.

3220632 is a `hidden beast` number, since 32 + 2 + 0 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220639) 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, 2407 + ... + 3497.

Almost surely, 2^3220632 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 3220632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4471740).

3220632 is an abundant number, since it is smaller than the sum of its proper divisors (5722848).

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

3220632 is a wasteful number, since it uses less digits than its factorization.

3220632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3220632 is about 1794.6119357677. The cubic root of 3220632 is about 147.6772856316.

Adding to 3220632 its reverse (2360223), we get a palindrome (5580855).

The spelling of 3220632 in words is "three million, two hundred twenty thousand, six hundred thirty-two".