2255217867 has 24 divisors (see below), whose sum is σ = 3752226816. Its totient is φ = 1278544176.

The previous prime is 2255217859. The next prime is 2255217869. The reversal of 2255217867 is 7687125522.

2255217867 is a `hidden beast` number, since 2 + 2 + 552 + 17 + 86 + 7 = 666.

It is not a de Polignac number, because 2255217867 - 2³ = 2255217859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2255217869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132933 + ... + 148934.

It is an arithmetic number, because the mean of its divisors is an integer number (156342784).

Almost surely, 2^2255217867 is an apocalyptic number.

2255217867 is a deficient number, since it is larger than the sum of its proper divisors (1497008949).

2255217867 is a wasteful number, since it uses less digits than its factorization.

2255217867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282007 (or 282004 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 2255217867 is about 47489.1341993092. The cubic root of 2255217867 is about 1311.3828543541.

The spelling of 2255217867 in words is "two billion, two hundred fifty-five million, two hundred seventeen thousand, eight hundred sixty-seven".