2209640084 has 24 divisors (see below), whose sum is σ = 4051918080. Its totient is φ = 1052352224.

The previous prime is 2209640077. The next prime is 2209640099. The reversal of 2209640084 is 4800469022.

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, 28259 + ... + 72234.

It is an arithmetic number, because the mean of its divisors is an integer number (168829920).

Almost surely, 2^2209640084 is an apocalyptic number.

It is an amenable number.

2209640084 is a deficient number, since it is larger than the sum of its proper divisors (1842277996).

2209640084 is a wasteful number, since it uses less digits than its factorization.

2209640084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100759 (or 100757 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2209640084 is about 47006.8089110503. The cubic root of 2209640084 is about 1302.4883471977.

The spelling of 2209640084 in words is "two billion, two hundred nine million, six hundred forty thousand, eighty-four".