3331220 has 12 divisors (see below), whose sum is σ = 6995604. Its totient is φ = 1332480.

The previous prime is 3331217. The next prime is 3331247. The reversal of 3331220 is 221333.

It can be written as a sum of positive squares in 2 ways, for example, as 2067844 + 1263376 = 1438^2 + 1124^2 .

It is a super-2 number, since 2×3331220² = 22194053376800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3331195 and 3331204.

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, 83261 + ... + 83300.

It is an arithmetic number, because the mean of its divisors is an integer number (582967).

Almost surely, 2^3331220 is an apocalyptic number.

It is an amenable number.

3331220 is an abundant number, since it is smaller than the sum of its proper divisors (3664384).

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

3331220 is a wasteful number, since it uses less digits than its factorization.

3331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166570 (or 166568 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3331220 is about 1825.1630064189. The cubic root of 3331220 is about 149.3485825379.

Adding to 3331220 its reverse (221333), we get a palindrome (3552553).

The spelling of 3331220 in words is "three million, three hundred thirty-one thousand, two hundred twenty".