4224454805825 has 6 divisors (see below), whose sum is σ = 5238323959254. Its totient is φ = 3379563844640.

The previous prime is 4224454805803. The next prime is 4224454805839. The reversal of 4224454805825 is 5285084544224.

It can be written as a sum of positive squares in 3 ways, for example, as 324457830544 + 3899996975281 = 569612^2 + 1974841^2 .

It is not a de Polignac number, because 4224454805825 - 2²⁶ = 4224387696961 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 84489096092 + ... + 84489096141.

It is an arithmetic number, because the mean of its divisors is an integer number (873053993209).

Almost surely, 2^{4224454805825} is an apocalyptic number.

It is an amenable number.

4224454805825 is a deficient number, since it is larger than the sum of its proper divisors (1013869153429).

4224454805825 is a wasteful number, since it uses less digits than its factorization.

4224454805825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168978192243 (or 168978192238 counting only the distinct ones).

The product of its (nonzero) digits is 16384000, while the sum is 53.

The spelling of 4224454805825 in words is "four trillion, two hundred twenty-four billion, four hundred fifty-four million, eight hundred five thousand, eight hundred twenty-five".