22143122345441 has 8 divisors (see below), whose sum is σ = 22785235006824. Its totient is φ = 21503307047040.

The previous prime is 22143122345431. The next prime is 22143122345459. The reversal of 22143122345441 is 14454322134122.

It can be written as a sum of positive squares in 4 ways, for example, as 8077509673216 + 14065612672225 = 2842096^2 + 3750415^2 .

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 22143122345441 - 2⁴² = 17745075834337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22143122345395 and 22143122345404.

It is not an unprimeable number, because it can be changed into a prime (22143122345431) 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, 574321190 + ... + 574359743.

It is an arithmetic number, because the mean of its divisors is an integer number (2848154375853).

Almost surely, 2^{22143122345441} is an apocalyptic number.

It is an amenable number.

22143122345441 is a deficient number, since it is larger than the sum of its proper divisors (642112661383).

22143122345441 is a wasteful number, since it uses less digits than its factorization.

22143122345441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148681491.

The product of its digits is 184320, while the sum is 38.

Adding to 22143122345441 its reverse (14454322134122), we get a palindrome (36597444479563).

The spelling of 22143122345441 in words is "twenty-two trillion, one hundred forty-three billion, one hundred twenty-two million, three hundred forty-five thousand, four hundred forty-one".