2274223729 has 4 divisors (see below), whose sum is σ = 2274500980. Its totient is φ = 2273946480.

The previous prime is 2274223727. The next prime is 2274223741. The reversal of 2274223729 is 9273224722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9273224722 = 2 ⋅4636612361.

It can be written as a sum of positive squares in 2 ways, for example, as 726194704 + 1548029025 = 26948^2 + 39345^2 .

It is a cyclic number.

It is not a de Polignac number, because 2274223729 - 2¹ = 2274223727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2274223691 and 2274223700.

It is not an unprimeable number, because it can be changed into a prime (2274223723) 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, 125934 + ... + 142855.

It is an arithmetic number, because the mean of its divisors is an integer number (568625245).

Almost surely, 2^2274223729 is an apocalyptic number.

It is an amenable number.

2274223729 is a deficient number, since it is larger than the sum of its proper divisors (277251).

2274223729 is an equidigital number, since it uses as much as digits as its factorization.

2274223729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277250.

The product of its digits is 169344, while the sum is 40.

The square root of 2274223729 is about 47688.8218453759. The cubic root of 2274223729 is about 1315.0564494555.

The spelling of 2274223729 in words is "two billion, two hundred seventy-four million, two hundred twenty-three thousand, seven hundred twenty-nine".