22167238427 has 2 divisors, whose sum is σ = 22167238428. Its totient is φ = 22167238426.

The previous prime is 22167238409. The next prime is 22167238469. The reversal of 22167238427 is 72483276122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22167238427 - 2¹⁶ = 22167172891 is a prime.

It is not a weakly prime, because it can be changed into another prime (22167238127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11083619213 + 11083619214.

It is an arithmetic number, because the mean of its divisors is an integer number (11083619214).

Almost surely, 2^22167238427 is an apocalyptic number.

22167238427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22167238427 is an equidigital number, since it uses as much as digits as its factorization.

22167238427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 44.

The spelling of 22167238427 in words is "twenty-two billion, one hundred sixty-seven million, two hundred thirty-eight thousand, four hundred twenty-seven".