2224252221444 has 108 divisors (see below), whose sum is σ = 6180650870940. Its totient is φ = 673945958400.

The previous prime is 2224252221343. The next prime is 2224252221463. The reversal of 2224252221444 is 4441222524222.

2224252221444 is a `hidden beast` number, since 2 + 2 + 2 + 425 + 2 + 221 + 4 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 204692904900 + 2019559316544 = 452430^2 + 1421112^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2224252221399 and 2224252221408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55253164 + ... + 55293404.

It is an arithmetic number, because the mean of its divisors is an integer number (57228248805).

Almost surely, 2^{2224252221444} is an apocalyptic number.

It is an amenable number.

2224252221444 is an abundant number, since it is smaller than the sum of its proper divisors (3956398649496).

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

2224252221444 is a wasteful number, since it uses less digits than its factorization.

2224252221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52962 (or 52946 counting only the distinct ones).

The product of its digits is 163840, while the sum is 36.

Adding to 2224252221444 its reverse (4441222524222), we get a palindrome (6665474745666).

The spelling of 2224252221444 in words is "two trillion, two hundred twenty-four billion, two hundred fifty-two million, two hundred twenty-one thousand, four hundred forty-four".