22154320327 has 2 divisors, whose sum is σ = 22154320328. Its totient is φ = 22154320326.

The previous prime is 22154320313. The next prime is 22154320343. The reversal of 22154320327 is 72302345122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22154320327 - 2¹⁹ = 22153796039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22154321327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11077160163 + 11077160164.

It is an arithmetic number, because the mean of its divisors is an integer number (11077160164).

Almost surely, 2^22154320327 is an apocalyptic number.

22154320327 is a deficient number, since it is larger than the sum of its proper divisors (1).

22154320327 is an equidigital number, since it uses as much as digits as its factorization.

22154320327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 22154320327 its reverse (72302345122), we get a palindrome (94456665449).

The spelling of 22154320327 in words is "twenty-two billion, one hundred fifty-four million, three hundred twenty thousand, three hundred twenty-seven".