3984222 has 64 divisors (see below), whose sum is σ = 9517824. Its totient is φ = 1098240.

The previous prime is 3984217. The next prime is 3984229. The reversal of 3984222 is 2224893.

It is a self number, because there is not a number n which added to its sum of digits gives 3984222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59433 + ... + 59499.

It is an arithmetic number, because the mean of its divisors is an integer number (148716).

Almost surely, 2^3984222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3984222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4758912).

3984222 is an abundant number, since it is smaller than the sum of its proper divisors (5533602).

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

3984222 is a wasteful number, since it uses less digits than its factorization.

3984222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153.

The product of its digits is 6912, while the sum is 30.

The square root of 3984222 is about 1996.0516025394. The cubic root of 3984222 is about 158.5311133844.

The spelling of 3984222 in words is "three million, nine hundred eighty-four thousand, two hundred twenty-two".