3902221832 has 32 divisors (see below), whose sum is σ = 7365600000. Its totient is φ = 1938104448.

The previous prime is 3902221811. The next prime is 3902221861. The reversal of 3902221832 is 2381222093.

It is a super-2 number, since 2×3902221832² = 30454670452274872448, 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, 837044 + ... + 841692.

It is an arithmetic number, because the mean of its divisors is an integer number (230175000).

Almost surely, 2^3902221832 is an apocalyptic number.

It is an amenable number.

3902221832 is a deficient number, since it is larger than the sum of its proper divisors (3463378168).

3902221832 is a wasteful number, since it uses less digits than its factorization.

3902221832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333 (or 5329 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3902221832 is about 62467.7663439313. The cubic root of 3902221832 is about 1574.3597743226.

It can be divided in two parts, 390 and 2221832, that added together give a palindrome (2222222).

The spelling of 3902221832 in words is "three billion, nine hundred two million, two hundred twenty-one thousand, eight hundred thirty-two".