22144120555105 has 8 divisors (see below), whose sum is σ = 26573088045672. Its totient is φ = 17715200857728.

The previous prime is 22144120555103. The next prime is 22144120555111. The reversal of 22144120555105 is 50155502144122.

It can be written as a sum of positive squares in 4 ways, for example, as 7298172489169 + 14845948065936 = 2701513^2 + 3853044^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22144120555105 - 2¹ = 22144120555103 is a prime.

It is a super-2 number, since 2×22144120555105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144120555103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10920934 + ... + 12788863.

It is an arithmetic number, because the mean of its divisors is an integer number (3321636005709).

Almost surely, 2^{22144120555105} is an apocalyptic number.

It is an amenable number.

22144120555105 is a deficient number, since it is larger than the sum of its proper divisors (4428967490567).

22144120555105 is a wasteful number, since it uses less digits than its factorization.

22144120555105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23896595.

The product of its (nonzero) digits is 80000, while the sum is 37.

Adding to 22144120555105 its reverse (50155502144122), we get a palindrome (72299622699227).

The spelling of 22144120555105 in words is "twenty-two trillion, one hundred forty-four billion, one hundred twenty million, five hundred fifty-five thousand, one hundred five".