3840222 has 16 divisors (see below), whose sum is σ = 7757712. Its totient is φ = 1267200.

The previous prime is 3840211. The next prime is 3840227. The reversal of 3840222 is 2220483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (484857).

Almost surely, 2^3840222 is an apocalyptic number.

3840222 is an abundant number, since it is smaller than the sum of its proper divisors (3917490).

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

3840222 is a wasteful number, since it uses less digits than its factorization.

3840222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3840222 is about 1959.6484378582. The cubic root of 3840222 is about 156.5977232991.

The spelling of 3840222 in words is "three million, eight hundred forty thousand, two hundred twenty-two".