2322661643 has 4 divisors (see below), whose sum is σ = 2385436320. Its totient is φ = 2259886968.

The previous prime is 2322661637. The next prime is 2322661661. The reversal of 2322661643 is 3461662232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2322661643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2322661043) 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, 31387283 + ... + 31387356.

It is an arithmetic number, because the mean of its divisors is an integer number (596359080).

Almost surely, 2^2322661643 is an apocalyptic number.

2322661643 is a deficient number, since it is larger than the sum of its proper divisors (62774677).

2322661643 is an equidigital number, since it uses as much as digits as its factorization.

2322661643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62774676.

The product of its digits is 62208, while the sum is 35.

The square root of 2322661643 is about 48194.0000726231. Note that the first 4 decimals coincide. The cubic root of 2322661643 is about 1324.3272517876.

The spelling of 2322661643 in words is "two billion, three hundred twenty-two million, six hundred sixty-one thousand, six hundred forty-three".