2205100404 has 144 divisors (see below), whose sum is σ = 6439305600. Its totient is φ = 630519552.

The previous prime is 2205100399. The next prime is 2205100421. The reversal of 2205100404 is 4040015022.

2205100404 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468937 + ... + 473615.

It is an arithmetic number, because the mean of its divisors is an integer number (44717400).

Almost surely, 2^2205100404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205100404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3219652800).

2205100404 is an abundant number, since it is smaller than the sum of its proper divisors (4234205196).

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

2205100404 is a wasteful number, since it uses less digits than its factorization.

2205100404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4769 counting only the distinct ones).

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

The square root of 2205100404 is about 46958.4966113695. The cubic root of 2205100404 is about 1301.5957532280.

Adding to 2205100404 its reverse (4040015022), we get a palindrome (6245115426).

The spelling of 2205100404 in words is "two billion, two hundred five million, one hundred thousand, four hundred four".