2209485664 has 12 divisors (see below), whose sum is σ = 4349924964. Its totient is φ = 1104742816.

The previous prime is 2209485653. The next prime is 2209485689. The reversal of 2209485664 is 4665849022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34523182 + ... + 34523245.

It is an arithmetic number, because the mean of its divisors is an integer number (362493747).

Almost surely, 2^2209485664 is an apocalyptic number.

It is an amenable number.

2209485664 is a deficient number, since it is larger than the sum of its proper divisors (2140439300).

2209485664 is an equidigital number, since it uses as much as digits as its factorization.

2209485664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69046437 (or 69046429 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 2209485664 is about 47005.1663543488. The cubic root of 2209485664 is about 1302.4580051619.

The spelling of 2209485664 in words is "two billion, two hundred nine million, four hundred eighty-five thousand, six hundred sixty-four".