2213535564 has 36 divisors (see below), whose sum is σ = 5597624760. Its totient is φ = 737542080.

The previous prime is 2213535539. The next prime is 2213535581. The reversal of 2213535564 is 4655353122.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86979 + ... + 109509.

Almost surely, 2^2213535564 is an apocalyptic number.

It is an amenable number.

2213535564 is an abundant number, since it is smaller than the sum of its proper divisors (3384089196).

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

2213535564 is a wasteful number, since it uses less digits than its factorization.

2213535564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25270 (or 25265 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 2213535564 is about 47048.2259389236. The cubic root of 2213535564 is about 1303.2533041449.

Adding to 2213535564 its reverse (4655353122), we get a palindrome (6868888686).

The spelling of 2213535564 in words is "two billion, two hundred thirteen million, five hundred thirty-five thousand, five hundred sixty-four".