3220312125 has 64 divisors (see below), whose sum is σ = 5728050432. Its totient is φ = 1601024000.

The previous prime is 3220312111. The next prime is 3220312129. The reversal of 3220312125 is 5212130223.

It is not a de Polignac number, because 3220312125 - 2⁵ = 3220312093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220312129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 679765 + ... + 684485.

It is an arithmetic number, because the mean of its divisors is an integer number (89500788).

Almost surely, 2^3220312125 is an apocalyptic number.

It is an amenable number.

3220312125 is a deficient number, since it is larger than the sum of its proper divisors (2507738307).

3220312125 is a wasteful number, since it uses less digits than its factorization.

3220312125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863 (or 4853 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3220312125 is about 56747.7940099877. The cubic root of 3220312125 is about 1476.7239633908.

Adding to 3220312125 its reverse (5212130223), we get a palindrome (8432442348).

The spelling of 3220312125 in words is "three billion, two hundred twenty million, three hundred twelve thousand, one hundred twenty-five".