2213053644 has 12 divisors (see below), whose sum is σ = 5163791864. Its totient is φ = 737684544.

The previous prime is 2213053643. The next prime is 2213053649. The reversal of 2213053644 is 4463503122.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2213053643) 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 3 ways as a sum of consecutive naturals, for example, 92210557 + ... + 92210580.

Almost surely, 2^2213053644 is an apocalyptic number.

It is an amenable number.

2213053644 is an abundant number, since it is smaller than the sum of its proper divisors (2950738220).

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

2213053644 is a wasteful number, since it uses less digits than its factorization.

2213053644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184421144 (or 184421142 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2213053644 is about 47043.1041067657. The cubic root of 2213053644 is about 1303.1587179953.

Adding to 2213053644 its reverse (4463503122), we get a palindrome (6676556766).

The spelling of 2213053644 in words is "two billion, two hundred thirteen million, fifty-three thousand, six hundred forty-four".