4855999225 has 81 divisors (see below), whose sum is σ = 7741967373. Its totient is φ = 3010392000.

The previous prime is 4855999219. The next prime is 4855999249. The reversal of 4855999225 is 5229995584.

The square root of 4855999225 is 69685.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2606204601 + 2249794624 = 51051^2 + 47432^2 .

It is not a de Polignac number, because 4855999225 - 2³ = 4855999217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4855999225.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 26828635 + ... + 26828815.

Almost surely, 2^4855999225 is an apocalyptic number.

4855999225 is the 69685-th square number.

4855999225 is the 34843-rd centered octagonal number.

It is an amenable number.

4855999225 is a deficient number, since it is larger than the sum of its proper divisors (2885968148).

4855999225 is a wasteful number, since it uses less digits than its factorization.

4855999225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 204 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 58.

The cubic root of 4855999225 is about 1693.3999251984.

The spelling of 4855999225 in words is "four billion, eight hundred fifty-five million, nine hundred ninety-nine thousand, two hundred twenty-five".