2272164863 has 4 divisors (see below), whose sum is σ = 2273692320. Its totient is φ = 2270637408.

The previous prime is 2272164847. The next prime is 2272164887. The reversal of 2272164863 is 3684612722.

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 2272164863 - 2⁴ = 2272164847 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 2272164863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272164893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761495 + ... + 764472.

It is an arithmetic number, because the mean of its divisors is an integer number (568423080).

Almost surely, 2^2272164863 is an apocalyptic number.

2272164863 is a deficient number, since it is larger than the sum of its proper divisors (1527457).

2272164863 is a wasteful number, since it uses less digits than its factorization.

2272164863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527456.

The product of its digits is 193536, while the sum is 41.

The square root of 2272164863 is about 47667.2304943344. The cubic root of 2272164863 is about 1314.6594872695.

The spelling of 2272164863 in words is "two billion, two hundred seventy-two million, one hundred sixty-four thousand, eight hundred sixty-three".