2220916613 has 2 divisors, whose sum is σ = 2220916614. Its totient is φ = 2220916612.

The previous prime is 2220916571. The next prime is 2220916661. The reversal of 2220916613 is 3166190222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1522794529 + 698122084 = 39023^2 + 26422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220916613 - 2⁶ = 2220916549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220916613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220916673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110458306 + 1110458307.

It is an arithmetic number, because the mean of its divisors is an integer number (1110458307).

Almost surely, 2^2220916613 is an apocalyptic number.

It is an amenable number.

2220916613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220916613 is an equidigital number, since it uses as much as digits as its factorization.

2220916613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2220916613 is about 47126.6019674663. The cubic root of 2220916613 is about 1304.7002659584.

The spelling of 2220916613 in words is "two billion, two hundred twenty million, nine hundred sixteen thousand, six hundred thirteen".