2209004136 has 112 divisors (see below), whose sum is σ = 6342897600. Its totient is φ = 720578592.

The previous prime is 2209004129. The next prime is 2209004159. The reversal of 2209004136 is 6314009022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 270075 + ... + 278133.

Almost surely, 2^2209004136 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 2209004136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3171448800).

2209004136 is an abundant number, since it is smaller than the sum of its proper divisors (4133893464).

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

2209004136 is an equidigital number, since it uses as much as digits as its factorization.

2209004136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130 (or 8111 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2209004136 is about 47000.0439999794. The cubic root of 2209004136 is about 1302.3633804904.

The spelling of 2209004136 in words is "two billion, two hundred nine million, four thousand, one hundred thirty-six".