3221442 has 48 divisors (see below), whose sum is σ = 8204352. Its totient is φ = 894240.

The previous prime is 3221441. The next prime is 3221443. The reversal of 3221442 is 2441223.

3221442 is a `hidden beast` number, since 3 + 221 + 442 = 666.

It is an interprime number because it is at equal distance from previous prime (3221441) and next prime (3221443).

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

It is not an unprimeable number, because it can be changed into a prime (3221441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4317 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (170924).

Almost surely, 2^3221442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4102176).

3221442 is an abundant number, since it is smaller than the sum of its proper divisors (4982910).

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

3221442 is a wasteful number, since it uses less digits than its factorization.

3221442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 740 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 3221442 is about 1794.8375971101. The cubic root of 3221442 is about 147.6896650419.

Adding to 3221442 its reverse (2441223), we get a palindrome (5662665).

It can be divided in two parts, 3221 and 442, that added together give a palindrome (3663).

The spelling of 3221442 in words is "three million, two hundred twenty-one thousand, four hundred forty-two".