22144122405227 has 4 divisors (see below), whose sum is σ = 22144187231496. Its totient is φ = 22144057578960.

The previous prime is 22144122405193. The next prime is 22144122405241. The reversal of 22144122405227 is 72250422144122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22144122405227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144122005227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31898018 + ... + 32584839.

It is an arithmetic number, because the mean of its divisors is an integer number (5536046807874).

Almost surely, 2^{22144122405227} is an apocalyptic number.

22144122405227 is a deficient number, since it is larger than the sum of its proper divisors (64826269).

22144122405227 is an equidigital number, since it uses as much as digits as its factorization.

22144122405227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64826268.

The product of its (nonzero) digits is 143360, while the sum is 38.

Adding to 22144122405227 its reverse (72250422144122), we get a palindrome (94394544549349).

The spelling of 22144122405227 in words is "twenty-two trillion, one hundred forty-four billion, one hundred twenty-two million, four hundred five thousand, two hundred twenty-seven".