224331021220244 has 6 divisors (see below), whose sum is σ = 392579287135434. Its totient is φ = 112165510610120.

The previous prime is 224331021220231. The next prime is 224331021220247. The reversal of 224331021220244 is 442022120133422.

It can be written as a sum of positive squares in only one way, i.e., 224310888448144 + 20132772100 = 14977012^2 + 141890^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 224331021220244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224331021220247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28041377652527 + ... + 28041377652534.

It is an arithmetic number, because the mean of its divisors is an integer number (65429881189239).

Almost surely, 2^{224331021220244} is an apocalyptic number.

It is an amenable number.

224331021220244 is a deficient number, since it is larger than the sum of its proper divisors (168248265915190).

224331021220244 is a wasteful number, since it uses less digits than its factorization.

224331021220244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56082755305065 (or 56082755305063 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 224331021220244 its reverse (442022120133422), we get a palindrome (666353141353666).

The spelling of 224331021220244 in words is "two hundred twenty-four trillion, three hundred thirty-one billion, twenty-one million, two hundred twenty thousand, two hundred forty-four".