3112142225 has 12 divisors (see below), whose sum is σ = 3922321500. Its totient is φ = 2448897600.

The previous prime is 3112142171. The next prime is 3112142233. The reversal of 3112142225 is 5222412113.

It can be written as a sum of positive squares in 6 ways, for example, as 928542784 + 2183599441 = 30472^2 + 46729^2 .

It is not a de Polignac number, because 3112142225 - 2¹² = 3112138129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3112142225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1018850 + ... + 1021899.

It is an arithmetic number, because the mean of its divisors is an integer number (326860125).

Almost surely, 2^3112142225 is an apocalyptic number.

It is an amenable number.

3112142225 is a deficient number, since it is larger than the sum of its proper divisors (810179275).

3112142225 is a wasteful number, since it uses less digits than its factorization.

3112142225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040820 (or 2040815 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 3112142225 is about 55786.5774626836. The cubic root of 3112142225 is about 1460.0009734465. Note that the first 3 decimals are identical.

Adding to 3112142225 its reverse (5222412113), we get a palindrome (8334554338).

The spelling of 3112142225 in words is "three billion, one hundred twelve million, one hundred forty-two thousand, two hundred twenty-five".