4221382524725 has 6 divisors (see below), whose sum is σ = 5234514330690. Its totient is φ = 3377106019760.

The previous prime is 4221382524721. The next prime is 4221382524727. The reversal of 4221382524725 is 5274252831224.

It can be written as a sum of positive squares in 3 ways, for example, as 175777270564 + 4045605254161 = 419258^2 + 2011369^2 .

It is not a de Polignac number, because 4221382524725 - 2² = 4221382524721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4221382524725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221382524721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84427650470 + ... + 84427650519.

It is an arithmetic number, because the mean of its divisors is an integer number (872419055115).

Almost surely, 2^{4221382524725} is an apocalyptic number.

It is an amenable number.

4221382524725 is a deficient number, since it is larger than the sum of its proper divisors (1013131805965).

4221382524725 is a wasteful number, since it uses less digits than its factorization.

4221382524725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168855300999 (or 168855300994 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 47.

The spelling of 4221382524725 in words is "four trillion, two hundred twenty-one billion, three hundred eighty-two million, five hundred twenty-four thousand, seven hundred twenty-five".