3221372 has 24 divisors (see below), whose sum is σ = 7029120. Its totient is φ = 1254960.

The previous prime is 3221371. The next prime is 3221401. The reversal of 3221372 is 2731223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4922 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (292880).

Almost surely, 2^3221372 is an apocalyptic number.

It is an amenable number.

3221372 is an abundant number, since it is smaller than the sum of its proper divisors (3807748).

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

3221372 is a wasteful number, since it uses less digits than its factorization.

3221372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481 (or 10479 counting only the distinct ones).

The product of its digits is 504, while the sum is 20.

The square root of 3221372 is about 1794.8180966326. The cubic root of 3221372 is about 147.6885952982.

Adding to 3221372 its reverse (2731223), we get a palindrome (5952595).

The spelling of 3221372 in words is "three million, two hundred twenty-one thousand, three hundred seventy-two".