3311201225 has 24 divisors (see below), whose sum is σ = 4224402240. Its totient is φ = 2572758720.

The previous prime is 3311201221. The next prime is 3311201239. The reversal of 3311201225 is 5221021133.

It is not a de Polignac number, because 3311201225 - 2² = 3311201221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3311201197 and 3311201206.

It is not an unprimeable number, because it can be changed into a prime (3311201221) 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, 569684 + ... + 575466.

It is an arithmetic number, because the mean of its divisors is an integer number (176016760).

Almost surely, 2^3311201225 is an apocalyptic number.

It is an amenable number.

3311201225 is a deficient number, since it is larger than the sum of its proper divisors (913201015).

3311201225 is a wasteful number, since it uses less digits than its factorization.

3311201225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449 (or 6444 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3311201225 is about 57543.0380237262. The cubic root of 3311201225 is about 1490.4881401391.

Adding to 3311201225 its reverse (5221021133), we get a palindrome (8532222358).

The spelling of 3311201225 in words is "three billion, three hundred eleven million, two hundred one thousand, two hundred twenty-five".