22147331159 has 4 divisors (see below), whose sum is σ = 22662385416. Its totient is φ = 21632276904.

The previous prime is 22147331149. The next prime is 22147331161. The reversal of 22147331159 is 95113374122.

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-22147331159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147331149) 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, 257527064 + ... + 257527149.

It is an arithmetic number, because the mean of its divisors is an integer number (5665596354).

Almost surely, 2^22147331159 is an apocalyptic number.

22147331159 is a deficient number, since it is larger than the sum of its proper divisors (515054257).

22147331159 is an equidigital number, since it uses as much as digits as its factorization.

22147331159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515054256.

The product of its digits is 45360, while the sum is 38.

The spelling of 22147331159 in words is "twenty-two billion, one hundred forty-seven million, three hundred thirty-one thousand, one hundred fifty-nine".