3573220 has 24 divisors (see below), whose sum is σ = 8576064. Its totient is φ = 1225056.

The previous prime is 3573209. The next prime is 3573221. The reversal of 3573220 is 223753.

It is a happy number.

3573220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3573191 and 3573200.

It is not an unprimeable number, because it can be changed into a prime (3573221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12622 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (357336).

Almost surely, 2^3573220 is an apocalyptic number.

It is an amenable number.

3573220 is an abundant number, since it is smaller than the sum of its proper divisors (5002844).

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

3573220 is a wasteful number, since it uses less digits than its factorization.

3573220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25539 (or 25537 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 3573220 is about 1890.2962730747. The cubic root of 3573220 is about 152.8809075097.

Adding to 3573220 its reverse (223753), we get a palindrome (3796973).

The spelling of 3573220 in words is "three million, five hundred seventy-three thousand, two hundred twenty".