22065212323441 has 4 divisors (see below), whose sum is σ = 25217385512512. Its totient is φ = 18913039134372.

The previous prime is 22065212323433. The next prime is 22065212323471. The reversal of 22065212323441 is 14432321256022.

It is a happy number.

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 22065212323441 - 2³ = 22065212323433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22065212323441.

It is not an unprimeable number, because it can be changed into a prime (22065212323471) 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, 1576086594525 + ... + 1576086594538.

It is an arithmetic number, because the mean of its divisors is an integer number (6304346378128).

Almost surely, 2^{22065212323441} is an apocalyptic number.

It is an amenable number.

22065212323441 is a deficient number, since it is larger than the sum of its proper divisors (3152173189071).

22065212323441 is an equidigital number, since it uses as much as digits as its factorization.

22065212323441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152173189070.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 22065212323441 its reverse (14432321256022), we get a palindrome (36497533579463).

The spelling of 22065212323441 in words is "twenty-two trillion, sixty-five billion, two hundred twelve million, three hundred twenty-three thousand, four hundred forty-one".