2204356 has 48 divisors (see below), whose sum is σ = 5104512. Its totient is φ = 806400.

The previous prime is 2204353. The next prime is 2204369. The reversal of 2204356 is 6534022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

2204356 is a modest number, since divided by 4356 gives 220 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2204353) 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, 5026 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (106344).

2^2204356 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 2204356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2552256).

2204356 is an abundant number, since it is smaller than the sum of its proper divisors (2900156).

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

2204356 is a wasteful number, since it uses less digits than its factorization.

2204356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2204356 is about 1484.7073785767. The cubic root of 2204356 is about 130.1449271291.

Adding to 2204356 its reverse (6534022), we get a palindrome (8738378).

The spelling of 2204356 in words is "two million, two hundred four thousand, three hundred fifty-six".