3810222 has 48 divisors (see below), whose sum is σ = 9369360. Its totient is φ = 1109376.

The previous prime is 3810221. The next prime is 3810229. The reversal of 3810222 is 2220183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3810195 and 3810204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3810221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4018 + ... + 4874.

It is an arithmetic number, because the mean of its divisors is an integer number (195195).

Almost surely, 2^3810222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3810222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4684680).

3810222 is an abundant number, since it is smaller than the sum of its proper divisors (5559138).

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

3810222 is a wasteful number, since it uses less digits than its factorization.

3810222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3810222 is about 1951.9789957886. The cubic root of 3810222 is about 156.1888737967.

The spelling of 3810222 in words is "three million, eight hundred ten thousand, two hundred twenty-two".