3220032878 has 8 divisors (see below), whose sum is σ = 4858972272. Its totient is φ = 1600375456.

The previous prime is 3220032859. The next prime is 3220032887. The reversal of 3220032878 is 8782300223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3220032878² = 20737223470801925768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4820075 + ... + 4820742.

It is an arithmetic number, because the mean of its divisors is an integer number (607371534).

Almost surely, 2^3220032878 is an apocalyptic number.

3220032878 is a deficient number, since it is larger than the sum of its proper divisors (1638939394).

3220032878 is a wasteful number, since it uses less digits than its factorization.

3220032878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640986.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 3220032878 is about 56745.3335350141. Note that the first 3 decimals coincide. The cubic root of 3220032878 is about 1476.6812778124.

The spelling of 3220032878 in words is "three billion, two hundred twenty million, thirty-two thousand, eight hundred seventy-eight".