2225847478 has 16 divisors (see below), whose sum is σ = 3361826160. Its totient is φ = 1105249536.

The previous prime is 2225847467. The next prime is 2225847487. The reversal of 2225847478 is 8747485222.

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, 849226 + ... + 851842.

It is an arithmetic number, because the mean of its divisors is an integer number (210114135).

Almost surely, 2^2225847478 is an apocalyptic number.

2225847478 is a deficient number, since it is larger than the sum of its proper divisors (1135978682).

2225847478 is a wasteful number, since it uses less digits than its factorization.

2225847478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391.

The product of its digits is 2007040, while the sum is 49.

The square root of 2225847478 is about 47178.8880538743. Note that the first 3 decimals coincide. The cubic root of 2225847478 is about 1305.6651146827.

The spelling of 2225847478 in words is "two billion, two hundred twenty-five million, eight hundred forty-seven thousand, four hundred seventy-eight".