225053312221443 has 4 divisors (see below), whose sum is σ = 300071082961928. Its totient is φ = 150035541480960.

The previous prime is 225053312221433. The next prime is 225053312221501. The reversal of 225053312221443 is 344122213350522.

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

It is not a de Polignac number, because 225053312221443 - 2²⁴ = 225053295444227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225053312221403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37508885370238 + ... + 37508885370243.

It is an arithmetic number, because the mean of its divisors is an integer number (75017770740482).

Almost surely, 2^{225053312221443} is an apocalyptic number.

225053312221443 is a deficient number, since it is larger than the sum of its proper divisors (75017770740485).

225053312221443 is an equidigital number, since it uses as much as digits as its factorization.

225053312221443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75017770740484.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 225053312221443 its reverse (344122213350522), we get a palindrome (569175525571965).

The spelling of 225053312221443 in words is "two hundred twenty-five trillion, fifty-three billion, three hundred twelve million, two hundred twenty-one thousand, four hundred forty-three".