22147316827 has 2 divisors, whose sum is σ = 22147316828. Its totient is φ = 22147316826.

The previous prime is 22147316801. The next prime is 22147316843. The reversal of 22147316827 is 72861374122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22147316827 is a prime.

It is not a weakly prime, because it can be changed into another prime (22147316897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11073658413 + 11073658414.

It is an arithmetic number, because the mean of its divisors is an integer number (11073658414).

Almost surely, 2^22147316827 is an apocalyptic number.

22147316827 is a deficient number, since it is larger than the sum of its proper divisors (1).

22147316827 is an equidigital number, since it uses as much as digits as its factorization.

22147316827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 43.

The spelling of 22147316827 in words is "twenty-two billion, one hundred forty-seven million, three hundred sixteen thousand, eight hundred twenty-seven".