2213644544 has 36 divisors (see below), whose sum is σ = 4453499904. Its totient is φ = 1098091008.

The previous prime is 2213644507. The next prime is 2213644553. The reversal of 2213644544 is 4454463122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 66555.

Almost surely, 2^2213644544 is an apocalyptic number.

It is an amenable number.

2213644544 is an abundant number, since it is smaller than the sum of its proper divisors (2239855360).

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

2213644544 is an equidigital number, since it uses as much as digits as its factorization.

2213644544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68230 (or 68216 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

The square root of 2213644544 is about 47049.3840979879. The cubic root of 2213644544 is about 1303.2746916808.

The spelling of 2213644544 in words is "two billion, two hundred thirteen million, six hundred forty-four thousand, five hundred forty-four".