3855222 has 96 divisors (see below), whose sum is σ = 10506240. Its totient is φ = 1043280.

The previous prime is 3855217. The next prime is 3855223. The reversal of 3855222 is 2225583.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82003 + ... + 82049.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

Almost surely, 2^3855222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3855222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5253120).

3855222 is an abundant number, since it is smaller than the sum of its proper divisors (6651018).

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

3855222 is a wasteful number, since it uses less digits than its factorization.

3855222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 90 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 3855222 is about 1963.4719249330. The cubic root of 3855222 is about 156.8013499033.

The spelling of 3855222 in words is "three million, eight hundred fifty-five thousand, two hundred twenty-two".