2204550 has 96 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 554400.

The previous prime is 2204537. The next prime is 2204557. The reversal of 2204550 is 554022.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204557) 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, 31015 + ... + 31085.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2^2204550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2204550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214080).

2204550 is an abundant number, since it is smaller than the sum of its proper divisors (4223610).

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

2204550 is a wasteful number, since it uses less digits than its factorization.

2204550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2204550 is about 1484.7727098785. The cubic root of 2204550 is about 130.1487449297.

Adding to 2204550 its reverse (554022), we get a palindrome (2758572).

The spelling of 2204550 in words is "two million, two hundred four thousand, five hundred fifty".