22722166847 has 2 divisors, whose sum is σ = 22722166848. Its totient is φ = 22722166846.

The previous prime is 22722166781. The next prime is 22722166889. The reversal of 22722166847 is 74866122722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22722166847 - 2¹⁴ = 22722150463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22722166897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361083423 + 11361083424.

It is an arithmetic number, because the mean of its divisors is an integer number (11361083424).

Almost surely, 2^22722166847 is an apocalyptic number.

22722166847 is a deficient number, since it is larger than the sum of its proper divisors (1).

22722166847 is an equidigital number, since it uses as much as digits as its factorization.

22722166847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The spelling of 22722166847 in words is "twenty-two billion, seven hundred twenty-two million, one hundred sixty-six thousand, eight hundred forty-seven".