2220750013 has 4 divisors (see below), whose sum is σ = 2224495548. Its totient is φ = 2217004480.

The previous prime is 2220749987. The next prime is 2220750031. The reversal of 2220750013 is 3100570222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 734030649 + 1486719364 = 27093^2 + 38558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220750013 - 2²⁵ = 2187195581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220750043) 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, 1871878 + ... + 1873063.

It is an arithmetic number, because the mean of its divisors is an integer number (556123887).

Almost surely, 2^2220750013 is an apocalyptic number.

It is an amenable number.

2220750013 is a deficient number, since it is larger than the sum of its proper divisors (3745535).

2220750013 is an equidigital number, since it uses as much as digits as its factorization.

2220750013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745534.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2220750013 is about 47124.8343551465. The cubic root of 2220750013 is about 1304.6676415158.

The spelling of 2220750013 in words is "two billion, two hundred twenty million, seven hundred fifty thousand, thirteen".