3125221246 has 16 divisors (see below), whose sum is σ = 5359964544. Its totient is φ = 1338769944.

The previous prime is 3125221237. The next prime is 3125221247. The reversal of 3125221246 is 6421225213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125221247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18360 + ... + 81163.

It is an arithmetic number, because the mean of its divisors is an integer number (334997784).

Almost surely, 2^3125221246 is an apocalyptic number.

3125221246 is a deficient number, since it is larger than the sum of its proper divisors (2234743298).

3125221246 is a wasteful number, since it uses less digits than its factorization.

3125221246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101775.

The product of its digits is 5760, while the sum is 28.

The square root of 3125221246 is about 55903.6782868534. The cubic root of 3125221246 is about 1462.0433710777.

Adding to 3125221246 its reverse (6421225213), we get a palindrome (9546446459).

The spelling of 3125221246 in words is "three billion, one hundred twenty-five million, two hundred twenty-one thousand, two hundred forty-six".