2272979563 has 4 divisors (see below), whose sum is σ = 2296412440. Its totient is φ = 2249546688.

The previous prime is 2272979561. The next prime is 2272979591. The reversal of 2272979563 is 3659792722.

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

It is a cyclic number.

It is not a de Polignac number, because 2272979563 - 2¹ = 2272979561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2272979563.

It is not an unprimeable number, because it can be changed into a prime (2272979561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11716293 + ... + 11716486.

It is an arithmetic number, because the mean of its divisors is an integer number (574103110).

Almost surely, 2^2272979563 is an apocalyptic number.

2272979563 is a deficient number, since it is larger than the sum of its proper divisors (23432877).

2272979563 is an equidigital number, since it uses as much as digits as its factorization.

2272979563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23432876.

The product of its digits is 2857680, while the sum is 52.

The square root of 2272979563 is about 47675.7754315543. The cubic root of 2272979563 is about 1314.8165951620.

The spelling of 2272979563 in words is "two billion, two hundred seventy-two million, nine hundred seventy-nine thousand, five hundred sixty-three".