2213236564 has 24 divisors (see below), whose sum is σ = 4828880448. Its totient is φ = 862299840.

The previous prime is 2213236559. The next prime is 2213236577. The reversal of 2213236564 is 4656323122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3592609 + ... + 3593224.

It is an arithmetic number, because the mean of its divisors is an integer number (201203352).

Almost surely, 2^2213236564 is an apocalyptic number.

It is an amenable number.

2213236564 is an abundant number, since it is smaller than the sum of its proper divisors (2615643884).

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

2213236564 is a wasteful number, since it uses less digits than its factorization.

2213236564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185855 (or 7185853 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 2213236564 is about 47045.0482410211. The cubic root of 2213236564 is about 1303.1946212108.

Adding to 2213236564 its reverse (4656323122), we get a palindrome (6869559686).

The spelling of 2213236564 in words is "two billion, two hundred thirteen million, two hundred thirty-six thousand, five hundred sixty-four".