2322661987 has 4 divisors (see below), whose sum is σ = 2329242120. Its totient is φ = 2316081856.

The previous prime is 2322661967. The next prime is 2322662033. The reversal of 2322661987 is 7891662232.

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-2322661987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2322661927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3289537 + ... + 3290242.

It is an arithmetic number, because the mean of its divisors is an integer number (582310530).

Almost surely, 2^2322661987 is an apocalyptic number.

2322661987 is a deficient number, since it is larger than the sum of its proper divisors (6580133).

2322661987 is an equidigital number, since it uses as much as digits as its factorization.

2322661987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580132.

The product of its digits is 435456, while the sum is 46.

The square root of 2322661987 is about 48194.0036415320. The cubic root of 2322661987 is about 1324.3273171678.

The spelling of 2322661987 in words is "two billion, three hundred twenty-two million, six hundred sixty-one thousand, nine hundred eighty-seven".