2208814644 has 24 divisors (see below), whose sum is σ = 5251145760. Its totient is φ = 722379424.

The previous prime is 2208814639. The next prime is 2208814681. The reversal of 2208814644 is 4464188022.

2208814644 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 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, 1735854 + ... + 1737125.

It is an arithmetic number, because the mean of its divisors is an integer number (218797740).

Almost surely, 2^2208814644 is an apocalyptic number.

It is an amenable number.

2208814644 is an abundant number, since it is smaller than the sum of its proper divisors (3042331116).

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

2208814644 is a wasteful number, since it uses less digits than its factorization.

2208814644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473039 (or 3473037 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 2208814644 is about 46998.0280862932. The cubic root of 2208814644 is about 1302.3261398029.

The spelling of 2208814644 in words is "two billion, two hundred eight million, eight hundred fourteen thousand, six hundred forty-four".