22151927867 has 2 divisors, whose sum is σ = 22151927868. Its totient is φ = 22151927866.

The previous prime is 22151927857. The next prime is 22151927869. The reversal of 22151927867 is 76872915122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22151927867 - 2²² = 22147733563 is a prime.

Together with 22151927869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22151927869) 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, 11075963933 + 11075963934.

It is an arithmetic number, because the mean of its divisors is an integer number (11075963934).

Almost surely, 2^22151927867 is an apocalyptic number.

22151927867 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151927867 is an equidigital number, since it uses as much as digits as its factorization.

22151927867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 50.

The spelling of 22151927867 in words is "twenty-two billion, one hundred fifty-one million, nine hundred twenty-seven thousand, eight hundred sixty-seven".