2205999404 has 18 divisors (see below), whose sum is σ = 4490784900. Its totient is φ = 945428232.

The previous prime is 2205999377. The next prime is 2205999413. The reversal of 2205999404 is 4049995022.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5627354 + ... + 5627745.

It is an arithmetic number, because the mean of its divisors is an integer number (249488050).

Almost surely, 2^2205999404 is an apocalyptic number.

It is an amenable number.

2205999404 is an abundant number, since it is smaller than the sum of its proper divisors (2284785496).

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

2205999404 is a wasteful number, since it uses less digits than its factorization.

2205999404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11255117 (or 11255108 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2205999404 is about 46968.0679185338. The cubic root of 2205999404 is about 1301.7726122345.

The spelling of 2205999404 in words is "two billion, two hundred five million, nine hundred ninety-nine thousand, four hundred four".