22144122405346 has 12 divisors (see below), whose sum is σ = 34006617404262. Its totient is φ = 10814571405456.

The previous prime is 22144122405331. The next prime is 22144122405367. The reversal of 22144122405346 is 64350422144122.

It can be written as a sum of positive squares in only one way, i.e., 18536253890625 + 3607868514721 = 4305375^2 + 1899439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22144122405299 and 22144122405308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2994063691 + ... + 2994071086.

Almost surely, 2^{22144122405346} is an apocalyptic number.

22144122405346 is a deficient number, since it is larger than the sum of its proper divisors (11862494998916).

22144122405346 is an equidigital number, since it uses as much as digits as its factorization.

22144122405346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988134865 (or 5988134822 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 22144122405346 its reverse (64350422144122), we get a palindrome (86494544549468).

The spelling of 22144122405346 in words is "twenty-two trillion, one hundred forty-four billion, one hundred twenty-two million, four hundred five thousand, three hundred forty-six".