225053312221444 has 24 divisors (see below), whose sum is σ = 450175207261248. Its totient is φ = 96436723205280.

The previous prime is 225053312221433. The next prime is 225053312221501. The reversal of 225053312221444 is 444122213350522.

It is a junction number, because it is equal to n+sod(n) for n = 225053312221397 and 225053312221406.

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, 612159547 + ... + 612527074.

It is an arithmetic number, because the mean of its divisors is an integer number (18757300302552).

Almost surely, 2^{225053312221444} is an apocalyptic number.

It is an amenable number.

225053312221444 is an abundant number, since it is smaller than the sum of its proper divisors (225121895039804).

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

225053312221444 is a wasteful number, since it uses less digits than its factorization.

225053312221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224693195 (or 1224693193 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 225053312221444 its reverse (444122213350522), we get a palindrome (669175525571966).

The spelling of 225053312221444 in words is "two hundred twenty-five trillion, fifty-three billion, three hundred twelve million, two hundred twenty-one thousand, four hundred forty-four".