2204545 has 8 divisors (see below), whose sum is σ = 3023424. Its totient is φ = 1511664.

The previous prime is 2204537. The next prime is 2204557. The reversal of 2204545 is 5454022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2204545 - 2³ = 2204537 is a prime.

It is a Duffinian number.

2204545 is a modest number, since divided by 4545 gives 220 as remainder.

2204545 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31459 + ... + 31528.

It is an arithmetic number, because the mean of its divisors is an integer number (377928).

2^2204545 is an apocalyptic number.

It is an amenable number.

2204545 is a deficient number, since it is larger than the sum of its proper divisors (818879).

2204545 is an equidigital number, since it uses as much as digits as its factorization.

2204545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62999.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2204545 is about 1484.7710261182. The cubic root of 2204545 is about 130.1486465356.

Adding to 2204545 its reverse (5454022), we get a palindrome (7658567).

The spelling of 2204545 in words is "two million, two hundred four thousand, five hundred forty-five".