324220044522445 has 4 divisors (see below), whose sum is σ = 389064053426940. Its totient is φ = 259376035617952.

The previous prime is 324220044522431. The next prime is 324220044522449. The reversal of 324220044522445 is 544225440022423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133788710823849 + 190431333698596 = 11566707^2 + 13799686^2 .

It is a cyclic number.

It is not a de Polignac number, because 324220044522445 - 2¹⁹ = 324220043998157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324220044522449) 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, 32422004452240 + ... + 32422004452249.

It is an arithmetic number, because the mean of its divisors is an integer number (97266013356735).

Almost surely, 2^{324220044522445} is an apocalyptic number.

It is an amenable number.

324220044522445 is a deficient number, since it is larger than the sum of its proper divisors (64844008904495).

324220044522445 is an equidigital number, since it uses as much as digits as its factorization.

324220044522445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64844008904494.

The product of its (nonzero) digits is 2457600, while the sum is 43.

Adding to 324220044522445 its reverse (544225440022423), we get a palindrome (868445484544868).

The spelling of 324220044522445 in words is "three hundred twenty-four trillion, two hundred twenty billion, forty-four million, five hundred twenty-two thousand, four hundred forty-five".