2894224765 has 4 divisors (see below), whose sum is σ = 3473069724. Its totient is φ = 2315379808.

The previous prime is 2894224741. The next prime is 2894224769. The reversal of 2894224765 is 5674224982.

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 390023001 + 2504201764 = 19749^2 + 50042^2 .

It is a cyclic number.

It is not a de Polignac number, because 2894224765 - 2⁵ = 2894224733 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 (2894224769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289422472 + ... + 289422481.

It is an arithmetic number, because the mean of its divisors is an integer number (868267431).

Almost surely, 2^2894224765 is an apocalyptic number.

It is an amenable number.

2894224765 is a deficient number, since it is larger than the sum of its proper divisors (578844959).

2894224765 is an equidigital number, since it uses as much as digits as its factorization.

2894224765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578844958.

The product of its digits is 1935360, while the sum is 49.

The square root of 2894224765 is about 53797.9996375330. Note that the first 3 decimals coincide. The cubic root of 2894224765 is about 1425.0958819243.

The spelling of 2894224765 in words is "two billion, eight hundred ninety-four million, two hundred twenty-four thousand, seven hundred sixty-five".