3321612220 has 24 divisors (see below), whose sum is σ = 6990341904. Its totient is φ = 1325796096.

The previous prime is 3321612193. The next prime is 3321612251. The reversal of 3321612220 is 222161233.

It is a super-2 number, since 2×3321612220² = 22066215480106656800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3321612191 and 3321612200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168477 + ... + 187156.

It is an arithmetic number, because the mean of its divisors is an integer number (291264246).

Almost surely, 2^3321612220 is an apocalyptic number.

It is an amenable number.

3321612220 is an abundant number, since it is smaller than the sum of its proper divisors (3668729684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3321612220 is a wasteful number, since it uses less digits than its factorization.

3321612220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356109 (or 356107 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3321612220 is about 57633.4297088070. The cubic root of 3321612220 is about 1492.0486241512.

Adding to 3321612220 its reverse (222161233), we get a palindrome (3543773453).

The spelling of 3321612220 in words is "three billion, three hundred twenty-one million, six hundred twelve thousand, two hundred twenty".