3261222 has 40 divisors (see below), whose sum is σ = 7501032. Its totient is φ = 1058400.

The previous prime is 3261221. The next prime is 3261241. The reversal of 3261222 is 2221623.

3261222 is a `hidden beast` number, since 32 + 612 + 22 = 666.

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 a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 3261195 and 3261204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6397 + ... + 6887.

Almost surely, 2^3261222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3750516).

3261222 is an abundant number, since it is smaller than the sum of its proper divisors (4239810).

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

3261222 is a wasteful number, since it uses less digits than its factorization.

3261222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 537 counting only the distinct ones).

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

The square root of 3261222 is about 1805.8853784225. The cubic root of 3261222 is about 148.2950954194.

Adding to 3261222 its reverse (2221623), we get a palindrome (5482845).

The spelling of 3261222 in words is "three million, two hundred sixty-one thousand, two hundred twenty-two".