3915813222 has 24 divisors (see below), whose sum is σ = 8536319064. Its totient is φ = 1297262304.

The previous prime is 3915813197. The next prime is 3915813241. The reversal of 3915813222 is 2223185193.

3915813222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664383 + ... + 670250.

It is an arithmetic number, because the mean of its divisors is an integer number (355679961).

Almost surely, 2^3915813222 is an apocalyptic number.

3915813222 is an abundant number, since it is smaller than the sum of its proper divisors (4620505842).

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

3915813222 is a wasteful number, since it uses less digits than its factorization.

3915813222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334804 (or 1334801 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3915813222 is about 62576.4590081606. The cubic root of 3915813222 is about 1576.1854814785.

The spelling of 3915813222 in words is "three billion, nine hundred fifteen million, eight hundred thirteen thousand, two hundred twenty-two".