2220646313 has 4 divisors (see below), whose sum is σ = 2248755840. Its totient is φ = 2192536788.

The previous prime is 2220646283. The next prime is 2220646321. The reversal of 2220646313 is 3136460222.

2220646313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220646313 - 2¹² = 2220642217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2220646333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14054645 + ... + 14054802.

It is an arithmetic number, because the mean of its divisors is an integer number (562188960).

Almost surely, 2^2220646313 is an apocalyptic number.

It is an amenable number.

2220646313 is a deficient number, since it is larger than the sum of its proper divisors (28109527).

2220646313 is an equidigital number, since it uses as much as digits as its factorization.

2220646313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28109526.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2220646313 is about 47123.7340731823. The cubic root of 2220646313 is about 1304.6473336409.

The spelling of 2220646313 in words is "two billion, two hundred twenty million, six hundred forty-six thousand, three hundred thirteen".