3912822220 has 24 divisors (see below), whose sum is σ = 8238971664. Its totient is φ = 1560929856.

The previous prime is 3912822211. The next prime is 3912822223. The reversal of 3912822220 is 222282193.

It is not an unprimeable number, because it can be changed into a prime (3912822223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254794 + ... + 269713.

It is an arithmetic number, because the mean of its divisors is an integer number (343290486).

Almost surely, 2^3912822220 is an apocalyptic number.

It is an amenable number.

3912822220 is an abundant number, since it is smaller than the sum of its proper divisors (4326149444).

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

3912822220 is a wasteful number, since it uses less digits than its factorization.

3912822220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524889 (or 524887 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 3912822220 is about 62552.5556632181. Note that the first 3 decimals coincide. The cubic root of 3912822220 is about 1575.7840684990.

The spelling of 3912822220 in words is "three billion, nine hundred twelve million, eight hundred twenty-two thousand, two hundred twenty".