3822318255625 has 15 divisors (see below), whose sum is σ = 4776429969553. Its totient is φ = 3057815503000.

The previous prime is 3822318255487. The next prime is 3822318255629. The reversal of 3822318255625 is 5265528132283.

The square root of 3822318255625 is 1955075.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 299669751241 + 3522648504384 = 547421^2 + 1876872^2 .

It is not a de Polignac number, because 3822318255625 - 2³⁹ = 3272562441737 is a prime.

It is a super-2 number, since 2×3822318255625² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3822318255629) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 48837774 + ... + 48915976.

Almost surely, 2^{3822318255625} is an apocalyptic number.

3822318255625 is the 1955075-th square number.

3822318255625 is the 977538-th centered octagonal number.

It is an amenable number.

3822318255625 is a deficient number, since it is larger than the sum of its proper divisors (954111713928).

3822318255625 is an frugal number, since it uses more digits than its factorization.

3822318255625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156426 (or 78208 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 52.

The spelling of 3822318255625 in words is "three trillion, eight hundred twenty-two billion, three hundred eighteen million, two hundred fifty-five thousand, six hundred twenty-five".