2220248709 has 12 divisors (see below), whose sum is σ = 3665172576. Its totient is φ = 1268713512.

The previous prime is 2220248707. The next prime is 2220248711. The reversal of 2220248709 is 9078420222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2220248707) and next prime (2220248711).

It is not a de Polignac number, because 2220248709 - 2¹ = 2220248707 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220248707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17620959 + ... + 17621084.

It is an arithmetic number, because the mean of its divisors is an integer number (305431048).

Almost surely, 2^2220248709 is an apocalyptic number.

It is an amenable number.

2220248709 is a deficient number, since it is larger than the sum of its proper divisors (1444923867).

2220248709 is a wasteful number, since it uses less digits than its factorization.

2220248709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35242056 (or 35242053 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2220248709 is about 47119.5151609182. The cubic root of 2220248709 is about 1304.5694638247.

The spelling of 2220248709 in words is "two billion, two hundred twenty million, two hundred forty-eight thousand, seven hundred nine".