2213535616 has 16 divisors (see below), whose sum is σ = 4409778240. Its totient is φ = 1106767744.

The previous prime is 2213535589. The next prime is 2213535671. The reversal of 2213535616 is 6165353122.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×2213535616³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8646496 + ... + 8646751.

It is an arithmetic number, because the mean of its divisors is an integer number (275611140).

Almost surely, 2^2213535616 is an apocalyptic number.

It is an amenable number.

2213535616 is a deficient number, since it is larger than the sum of its proper divisors (2196242624).

2213535616 is an equidigital number, since it uses as much as digits as its factorization.

2213535616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17293261 (or 17293249 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 2213535616 is about 47048.2264915480. The cubic root of 2213535616 is about 1303.2533143501.

Adding to 2213535616 its reverse (6165353122), we get a palindrome (8378888738).

The spelling of 2213535616 in words is "two billion, two hundred thirteen million, five hundred thirty-five thousand, six hundred sixteen".