2204541 has 12 divisors (see below), whose sum is σ = 3197532. Its totient is φ = 1463616.

The previous prime is 2204537. The next prime is 2204557. The reversal of 2204541 is 1454022.

It can be written as a sum of positive squares in 2 ways, for example, as 632025 + 1572516 = 795^2 + 1254^2 .

It is not a de Polignac number, because 2204541 - 2² = 2204537 is a prime.

2204541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204561) 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, 3265 + ... + 3881.

It is an arithmetic number, because the mean of its divisors is an integer number (266461).

2^2204541 is an apocalyptic number.

2204541 is the 794-th nonagonal number.

It is an amenable number.

2204541 is a deficient number, since it is larger than the sum of its proper divisors (992991).

2204541 is a wasteful number, since it uses less digits than its factorization.

2204541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2204541 is about 1484.7696791085. The cubic root of 2204541 is about 130.1485678202.

Adding to 2204541 its reverse (1454022), we get a palindrome (3658563).

It can be divided in two parts, 220 and 4541, that added together give a square (4761 = 69²).

The spelling of 2204541 in words is "two million, two hundred four thousand, five hundred forty-one".