1322245025641 has 4 divisors (see below), whose sum is σ = 1324536612052. Its totient is φ = 1319953439232.

The previous prime is 1322245025639. The next prime is 1322245025671. The reversal of 1322245025641 is 1465205422231.

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 926798991616 + 395446034025 = 962704^2 + 628845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322245025641 - 2¹ = 1322245025639 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 1322245025641.

It is not an unprimeable number, because it can be changed into a prime (1322245025671) 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, 1145792340 + ... + 1145793493.

It is an arithmetic number, because the mean of its divisors is an integer number (331134153013).

Almost surely, 2^{1322245025641} is an apocalyptic number.

It is an amenable number.

1322245025641 is a deficient number, since it is larger than the sum of its proper divisors (2291586411).

1322245025641 is an equidigital number, since it uses as much as digits as its factorization.

1322245025641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291586410.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 1322245025641 in words is "one trillion, three hundred twenty-two billion, two hundred forty-five million, twenty-five thousand, six hundred forty-one".