2204541820 has 24 divisors (see below), whose sum is σ = 4985656704. Its totient is φ = 813984576.

The previous prime is 2204541799. The next prime is 2204541839. The reversal of 2204541820 is 281454022.

2204541820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2204541820² = 9720009272257824800, which contains 22 as substring.

It is a congruent 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, 4239244 + ... + 4239763.

It is an arithmetic number, because the mean of its divisors is an integer number (207735696).

Almost surely, 2^2204541820 is an apocalyptic number.

2204541820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204541820 is an abundant number, since it is smaller than the sum of its proper divisors (2781114884).

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

2204541820 is a wasteful number, since it uses less digits than its factorization.

2204541820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479029 (or 8479027 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 2204541820 is about 46952.5485996234. The cubic root of 2204541820 is about 1301.4858395690.

Adding to 2204541820 its reverse (281454022), we get a palindrome (2485995842).

The spelling of 2204541820 in words is "two billion, two hundred four million, five hundred forty-one thousand, eight hundred twenty".