22224123344261 has 4 divisors (see below), whose sum is σ = 22224138232032. Its totient is φ = 22224108456492.

The previous prime is 22224123344233. The next prime is 22224123344263. The reversal of 22224123344261 is 16244332142222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22224123344261 - 2⁶ = 22224123344197 is a prime.

It is a super-2 number, since 2×22224123344261² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224123344263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4919321 + ... + 8285406.

It is an arithmetic number, because the mean of its divisors is an integer number (5556034558008).

Almost surely, 2^{22224123344261} is an apocalyptic number.

It is an amenable number.

22224123344261 is a deficient number, since it is larger than the sum of its proper divisors (14887771).

22224123344261 is a wasteful number, since it uses less digits than its factorization.

22224123344261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14887770.

The product of its digits is 221184, while the sum is 38.

Adding to 22224123344261 its reverse (16244332142222), we get a palindrome (38468455486483).

The spelling of 22224123344261 in words is "twenty-two trillion, two hundred twenty-four billion, one hundred twenty-three million, three hundred forty-four thousand, two hundred sixty-one".