3211262225 has 12 divisors (see below), whose sum is σ = 3985990044. Its totient is φ = 2566413120.

The previous prime is 3211262221. The next prime is 3211262233. The reversal of 3211262225 is 5222621123.

It is a Cunningham number, because it is equal to 56668²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 251793424 + 2959468801 = 15868^2 + 54401^2 .

It is not a de Polignac number, because 3211262225 - 2² = 3211262221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3211262194 and 3211262203.

It is not an unprimeable number, because it can be changed into a prime (3211262221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39494 + ... + 89343.

It is an arithmetic number, because the mean of its divisors is an integer number (332165837).

Almost surely, 2^3211262225 is an apocalyptic number.

It is an amenable number.

3211262225 is a deficient number, since it is larger than the sum of its proper divisors (774727819).

3211262225 is a wasteful number, since it uses less digits than its factorization.

3211262225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129844 (or 129839 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 3211262225 is about 56668.0000088233. Note that the first 5 decimals coincide. The cubic root of 3211262225 is about 1475.3393416313.

Adding to 3211262225 its reverse (5222621123), we get a palindrome (8433883348).

The spelling of 3211262225 in words is "three billion, two hundred eleven million, two hundred sixty-two thousand, two hundred twenty-five".