2213525616 has 20 divisors (see below), whose sum is σ = 5718274632. Its totient is φ = 737841856.

The previous prime is 2213525609. The next prime is 2213525621. The reversal of 2213525616 is 6165253122.

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 3 ways as a sum of consecutive naturals, for example, 23057511 + ... + 23057606.

Almost surely, 2^2213525616 is an apocalyptic number.

It is an amenable number.

2213525616 is an abundant number, since it is smaller than the sum of its proper divisors (3504749016).

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

2213525616 is a wasteful number, since it uses less digits than its factorization.

2213525616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46115128 (or 46115122 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 2213525616 is about 47048.1202174965. The cubic root of 2213525616 is about 1303.2513517956.

Adding to 2213525616 its reverse (6165253122), we get a palindrome (8378778738).

The spelling of 2213525616 in words is "two billion, two hundred thirteen million, five hundred twenty-five thousand, six hundred sixteen".