3321220125 has 32 divisors (see below), whose sum is σ = 5766808320. Its totient is φ = 1694299200.

The previous prime is 3321220109. The next prime is 3321220141. The reversal of 3321220125 is 5210221233.

It is an interprime number because it is at equal distance from previous prime (3321220109) and next prime (3321220141).

It is not a de Polignac number, because 3321220125 - 2⁴ = 3321220109 is a prime.

It is a super-2 number, since 2×3321220125² = 22061006237410031250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183910 + ... + 201159.

It is an arithmetic number, because the mean of its divisors is an integer number (180212760).

Almost surely, 2^3321220125 is an apocalyptic number.

It is an amenable number.

3321220125 is a deficient number, since it is larger than the sum of its proper divisors (2445588195).

3321220125 is a wasteful number, since it uses less digits than its factorization.

3321220125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385110 (or 385100 counting only the distinct ones).

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

The square root of 3321220125 is about 57630.0279802118. The cubic root of 3321220125 is about 1491.9899129202.

Adding to 3321220125 its reverse (5210221233), we get a palindrome (8531441358).

It can be divided in two parts, 3321 and 220125, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 3321220125 in words is "three billion, three hundred twenty-one million, two hundred twenty thousand, one hundred twenty-five".