3912222 has 16 divisors (see below), whose sum is σ = 7871760. Its totient is φ = 1296192.

The previous prime is 3912221. The next prime is 3912229. The reversal of 3912222 is 2222193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912221) 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, 847 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (491985).

Almost surely, 2^3912222 is an apocalyptic number.

3912222 is an abundant number, since it is smaller than the sum of its proper divisors (3959538).

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

3912222 is a wasteful number, since it uses less digits than its factorization.

3912222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947.

The product of its digits is 432, while the sum is 21.

The square root of 3912222 is about 1977.9337703776. The cubic root of 3912222 is about 157.5703490217.

The spelling of 3912222 in words is "three million, nine hundred twelve thousand, two hundred twenty-two".