225044342442220 has 24 divisors (see below), whose sum is σ = 540106421861664. Its totient is φ = 77158060265856.

The previous prime is 225044342442193. The next prime is 225044342442341. The reversal of 225044342442220 is 22244243440522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803729794297 + ... + 803729794576.

It is an arithmetic number, because the mean of its divisors is an integer number (22504434244236).

Almost surely, 2^{225044342442220} is an apocalyptic number.

225044342442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225044342442220 is an abundant number, since it is smaller than the sum of its proper divisors (315062079419444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225044342442220 is a wasteful number, since it uses less digits than its factorization.

225044342442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607459588889 (or 1607459588887 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 40.

Adding to 225044342442220 its reverse (22244243440522), we get a palindrome (247288585882742).

The spelling of 225044342442220 in words is "two hundred twenty-five trillion, forty-four billion, three hundred forty-two million, four hundred forty-two thousand, two hundred twenty".