3220868810 has 16 divisors (see below), whose sum is σ = 5819121000. Its totient is φ = 1283557056.

The previous prime is 3220868699. The next prime is 3220868837. The reversal of 3220868810 is 188680223.

It can be written as a sum of positive squares in 4 ways, for example, as 1392707761 + 1828161049 = 37319^2 + 42757^2 .

It is a super-2 number, since 2×3220868810² = 20747991782461632200, which contains 22 as substring.

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, 595985 + ... + 601364.

Almost surely, 2^3220868810 is an apocalyptic number.

3220868810 is a deficient number, since it is larger than the sum of its proper divisors (2598252190).

3220868810 is a wasteful number, since it uses less digits than its factorization.

3220868810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197625.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 3220868810 is about 56752.6987023525. The cubic root of 3220868810 is about 1476.8090506621.

The spelling of 3220868810 in words is "three billion, two hundred twenty million, eight hundred sixty-eight thousand, eight hundred ten".