2282641729 has 3 divisors (see below), whose sum is σ = 2282689507. Its totient is φ = 2282593952.

The previous prime is 2282641727. The next prime is 2282641747. The reversal of 2282641729 is 9271462822.

It is a happy number.

The square root of 2282641729 is 47777.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1566972225 + 715669504 = 39585^2 + 26752^2 .

It is not a de Polignac number, because 2282641729 - 2¹ = 2282641727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2282641723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23889 + ... + 71665.

Almost surely, 2^2282641729 is an apocalyptic number.

2282641729 is the 47777-th square number.

2282641729 is the 23889-th centered octagonal number.

It is an amenable number.

2282641729 is a deficient number, since it is larger than the sum of its proper divisors (47778).

2282641729 is an frugal number, since it uses more digits than its factorization.

2282641729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95554 (or 47777 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The cubic root of 2282641729 is about 1316.6770045513.

The spelling of 2282641729 in words is "two billion, two hundred eighty-two million, six hundred forty-one thousand, seven hundred twenty-nine".