3905222 has 8 divisors (see below), whose sum is σ = 6166200. Its totient is φ = 1849824.

The previous prime is 3905221. The next prime is 3905263. The reversal of 3905222 is 2225093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905221) 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 3 ways as a sum of consecutive naturals, for example, 51347 + ... + 51422.

It is an arithmetic number, because the mean of its divisors is an integer number (770775).

Almost surely, 2^3905222 is an apocalyptic number.

3905222 is a deficient number, since it is larger than the sum of its proper divisors (2260978).

3905222 is a wasteful number, since it uses less digits than its factorization.

3905222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102790.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3905222 is about 1976.1634547780. The cubic root of 3905222 is about 157.4763145705.

The spelling of 3905222 in words is "three million, nine hundred five thousand, two hundred twenty-two".