2292648321 has 4 divisors (see below), whose sum is σ = 3056864432. Its totient is φ = 1528432212.

The previous prime is 2292648287. The next prime is 2292648343. The reversal of 2292648321 is 1238462922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2292648321 - 2¹¹ = 2292646273 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 2292648321.

It is not an unprimeable number, because it can be changed into a prime (2292648221) 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 3 ways as a sum of consecutive naturals, for example, 382108051 + ... + 382108056.

It is an arithmetic number, because the mean of its divisors is an integer number (764216108).

Almost surely, 2^2292648321 is an apocalyptic number.

It is an amenable number.

2292648321 is a deficient number, since it is larger than the sum of its proper divisors (764216111).

2292648321 is an equidigital number, since it uses as much as digits as its factorization.

2292648321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764216110.

The product of its digits is 82944, while the sum is 39.

The square root of 2292648321 is about 47881.6073351762. The cubic root of 2292648321 is about 1318.5982059706.

The spelling of 2292648321 in words is "two billion, two hundred ninety-two million, six hundred forty-eight thousand, three hundred twenty-one".