2255207478 has 16 divisors (see below), whose sum is σ = 4513206720. Its totient is φ = 751270536.

The previous prime is 2255207443. The next prime is 2255207483. The reversal of 2255207478 is 8747025522.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 105748 + ... + 125271.

It is an arithmetic number, because the mean of its divisors is an integer number (282075420).

Almost surely, 2^2255207478 is an apocalyptic number.

2255207478 is an abundant number, since it is smaller than the sum of its proper divisors (2257999242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2255207478 is a wasteful number, since it uses less digits than its factorization.

2255207478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232651.

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 2255207478 is about 47489.0248162668. The cubic root of 2255207478 is about 1311.3808406569.

The spelling of 2255207478 in words is "two billion, two hundred fifty-five million, two hundred seven thousand, four hundred seventy-eight".