2256205995 has 20 divisors (see below), whose sum is σ = 4044458880. Its totient is φ = 1203309648.

The previous prime is 2256205993. The next prime is 2256206021. The reversal of 2256205995 is 5995026522.

2256205995 is a `hidden beast` number, since 2 + 2 + 56 + 2 + 0 + 599 + 5 = 666.

It is not a de Polignac number, because 2256205995 - 2¹ = 2256205993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2256205995.

It is not an unprimeable number, because it can be changed into a prime (2256205993) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2785035 + ... + 2785844.

It is an arithmetic number, because the mean of its divisors is an integer number (202222944).

Almost surely, 2^2256205995 is an apocalyptic number.

2256205995 is a deficient number, since it is larger than the sum of its proper divisors (1788252885).

2256205995 is an equidigital number, since it uses as much as digits as its factorization.

2256205995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570896 (or 5570887 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The square root of 2256205995 is about 47499.5367872151. The cubic root of 2256205995 is about 1311.5743546857.

The spelling of 2256205995 in words is "two billion, two hundred fifty-six million, two hundred five thousand, nine hundred ninety-five".