2855801225 has 6 divisors (see below), whose sum is σ = 3541193550. Its totient is φ = 2284640960.

The previous prime is 2855801203. The next prime is 2855801231. The reversal of 2855801225 is 5221085582.

It can be written as a sum of positive squares in 3 ways, for example, as 104693824 + 2751107401 = 10232^2 + 52451^2 .

It is not a de Polignac number, because 2855801225 - 2¹⁸ = 2855539081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57116000 + ... + 57116049.

It is an arithmetic number, because the mean of its divisors is an integer number (590198925).

Almost surely, 2^2855801225 is an apocalyptic number.

2855801225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2855801225 is a deficient number, since it is larger than the sum of its proper divisors (685392325).

2855801225 is a wasteful number, since it uses less digits than its factorization.

2855801225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114232059 (or 114232054 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 2855801225 is about 53439.6970893361. The cubic root of 2855801225 is about 1418.7612725918.

The spelling of 2855801225 in words is "two billion, eight hundred fifty-five million, eight hundred one thousand, two hundred twenty-five".