3725820224885 has 48 divisors (see below), whose sum is σ = 4952375391600. Its totient is φ = 2688778752000.

The previous prime is 3725820224881. The next prime is 3725820224887. The reversal of 3725820224885 is 5884220285273.

It can be written as a sum of positive squares in 8 ways, for example, as 477037481041 + 3248782743844 = 690679^2 + 1802438^2 .

It is not a de Polignac number, because 3725820224885 - 2² = 3725820224881 is a prime.

It is a super-2 number, since 2×3725820224885² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3725820224885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3725820224881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91296485 + ... + 91337285.

It is an arithmetic number, because the mean of its divisors is an integer number (103174487325).

Almost surely, 2^{3725820224885} is an apocalyptic number.

It is an amenable number.

3725820224885 is a deficient number, since it is larger than the sum of its proper divisors (1226555166715).

3725820224885 is a wasteful number, since it uses less digits than its factorization.

3725820224885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41990 (or 41979 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 56.

The spelling of 3725820224885 in words is "three trillion, seven hundred twenty-five billion, eight hundred twenty million, two hundred twenty-four thousand, eight hundred eighty-five".