22744872361 has 4 divisors (see below), whose sum is σ = 22796215632. Its totient is φ = 22693529092.

The previous prime is 22744872331. The next prime is 22744872377. The reversal of 22744872361 is 16327844722.

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 a cyclic number.

It is not a de Polignac number, because 22744872361 - 2¹⁹ = 22744348073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22744872301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25670971 + ... + 25671856.

It is an arithmetic number, because the mean of its divisors is an integer number (5699053908).

Almost surely, 2^22744872361 is an apocalyptic number.

It is an amenable number.

22744872361 is a deficient number, since it is larger than the sum of its proper divisors (51343271).

22744872361 is an equidigital number, since it uses as much as digits as its factorization.

22744872361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51343270.

The product of its digits is 903168, while the sum is 46.

The spelling of 22744872361 in words is "twenty-two billion, seven hundred forty-four million, eight hundred seventy-two thousand, three hundred sixty-one".