2204505 has 12 divisors (see below), whose sum is σ = 3821220. Its totient is φ = 1175712.

The previous prime is 2204483. The next prime is 2204507. The reversal of 2204505 is 5054022.

It can be written as a sum of positive squares in 2 ways, for example, as 233289 + 1971216 = 483^2 + 1404^2 .

It is not a de Polignac number, because 2204505 - 2⁵ = 2204473 is a prime.

2204505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2204507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24450 + ... + 24539.

It is an arithmetic number, because the mean of its divisors is an integer number (318435).

2^2204505 is an apocalyptic number.

It is an amenable number.

2204505 is a deficient number, since it is larger than the sum of its proper divisors (1616715).

2204505 is a wasteful number, since it uses less digits than its factorization.

2204505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49000 (or 48997 counting only the distinct ones).

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

The square root of 2204505 is about 1484.7575559666. The cubic root of 2204505 is about 130.1478593774.

Adding to 2204505 its reverse (5054022), we get a palindrome (7258527).

The spelling of 2204505 in words is "two million, two hundred four thousand, five hundred five".