3622212 has 48 divisors (see below), whose sum is σ = 10248000. Its totient is φ = 1097280.

The previous prime is 3622193. The next prime is 3622219. The reversal of 3622212 is 2122263.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3622219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (213500).

Almost surely, 2^3622212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3622212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5124000).

3622212 is an abundant number, since it is smaller than the sum of its proper divisors (6625788).

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

3622212 is a wasteful number, since it uses less digits than its factorization.

3622212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073 (or 3065 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 3622212 is about 1903.2109709646. The cubic root of 3622212 is about 153.5764490259.

Adding to 3622212 its reverse (2122263), we get a palindrome (5744475).

The spelling of 3622212 in words is "three million, six hundred twenty-two thousand, two hundred twelve".