3220372 has 12 divisors (see below), whose sum is σ = 5654740. Its totient is φ = 1604736.

The previous prime is 3220351. The next prime is 3220381. The reversal of 3220372 is 2730223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 2421136 = 894^2 + 1556^2 .

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, 154 + ... + 2542.

Almost surely, 2^3220372 is an apocalyptic number.

It is an amenable number.

3220372 is a deficient number, since it is larger than the sum of its proper divisors (2434368).

3220372 is a wasteful number, since it uses less digits than its factorization.

3220372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 3220372 is about 1794.5394952466. The cubic root of 3220372 is about 147.6733115537.

Adding to 3220372 its reverse (2730223), we get a palindrome (5950595).

The spelling of 3220372 in words is "three million, two hundred twenty thousand, three hundred seventy-two".