2213646448 has 80 divisors (see below), whose sum is σ = 4702199040. Its totient is φ = 1003419648.

The previous prime is 2213646443. The next prime is 2213646451. The reversal of 2213646448 is 8446463122.

It is a self number, because there is not a number n which added to its sum of digits gives 2213646448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213646443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3646561 + ... + 3647167.

It is an arithmetic number, because the mean of its divisors is an integer number (58777488).

Almost surely, 2^2213646448 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 2213646448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351099520).

2213646448 is an abundant number, since it is smaller than the sum of its proper divisors (2488552592).

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

2213646448 is a wasteful number, since it uses less digits than its factorization.

2213646448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 908 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 2213646448 is about 47049.4043320423. The cubic root of 2213646448 is about 1303.2750653382.

The spelling of 2213646448 in words is "two billion, two hundred thirteen million, six hundred forty-six thousand, four hundred forty-eight".