4221625761825 has 12 divisors (see below), whose sum is σ = 6979754593008. Its totient is φ = 2251533739600.

The previous prime is 4221625761817. The next prime is 4221625761827. The reversal of 4221625761825 is 5281675261224.

It is not a de Polignac number, because 4221625761825 - 2³ = 4221625761817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4221625761827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28144171671 + ... + 28144171820.

It is an arithmetic number, because the mean of its divisors is an integer number (581646216084).

Almost surely, 2^{4221625761825} is an apocalyptic number.

It is an amenable number.

4221625761825 is a deficient number, since it is larger than the sum of its proper divisors (2758128831183).

4221625761825 is a wasteful number, since it uses less digits than its factorization.

4221625761825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56288343504 (or 56288343499 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The spelling of 4221625761825 in words is "four trillion, two hundred twenty-one billion, six hundred twenty-five million, seven hundred sixty-one thousand, eight hundred twenty-five".