2204555 has 4 divisors (see below), whose sum is σ = 2645472. Its totient is φ = 1763640.

The previous prime is 2204537. The next prime is 2204557. The reversal of 2204555 is 5554022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2204555 - 2¹² = 2200459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2204555.

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 3 ways as a sum of consecutive naturals, for example, 220451 + ... + 220460.

It is an arithmetic number, because the mean of its divisors is an integer number (661368).

2^2204555 is an apocalyptic number.

2204555 is a deficient number, since it is larger than the sum of its proper divisors (440917).

2204555 is an equidigital number, since it uses as much as digits as its factorization.

2204555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440916.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2204555 is about 1484.7743936370. The cubic root of 2204555 is about 130.1488433237.

Adding to 2204555 its reverse (5554022), we get a palindrome (7758577).

The spelling of 2204555 in words is "two million, two hundred four thousand, five hundred fifty-five".