2225441320321 has 4 divisors (see below), whose sum is σ = 2226416965444. Its totient is φ = 2224465675200.

The previous prime is 2225441320309. The next prime is 2225441320343. The reversal of 2225441320321 is 1230231445222.

It is a happy number.

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 644751185296 + 1580690135025 = 802964^2 + 1257255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225441320321 - 2²⁹ = 2224904449409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225441320301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487819140 + ... + 487823701.

It is an arithmetic number, because the mean of its divisors is an integer number (556604241361).

Almost surely, 2^{2225441320321} is an apocalyptic number.

It is an amenable number.

2225441320321 is a deficient number, since it is larger than the sum of its proper divisors (975645123).

2225441320321 is an equidigital number, since it uses as much as digits as its factorization.

2225441320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975645122.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2225441320321 its reverse (1230231445222), we get a palindrome (3455672765543).

The spelling of 2225441320321 in words is "two trillion, two hundred twenty-five billion, four hundred forty-one million, three hundred twenty thousand, three hundred twenty-one".