22144521227 has 2 divisors, whose sum is σ = 22144521228. Its totient is φ = 22144521226.

The previous prime is 22144521221. The next prime is 22144521241. The reversal of 22144521227 is 72212544122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22144521227 - 2⁶ = 22144521163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22144521193 and 22144521202.

It is not a weakly prime, because it can be changed into another prime (22144521221) 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, 11072260613 + 11072260614.

It is an arithmetic number, because the mean of its divisors is an integer number (11072260614).

Almost surely, 2^22144521227 is an apocalyptic number.

22144521227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144521227 is an equidigital number, since it uses as much as digits as its factorization.

22144521227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 32.

The spelling of 22144521227 in words is "twenty-two billion, one hundred forty-four million, five hundred twenty-one thousand, two hundred twenty-seven".