2245278655 has 8 divisors (see below), whose sum is σ = 2852824752. Its totient is φ = 1690562688.

The previous prime is 2245278647. The next prime is 2245278713. The reversal of 2245278655 is 5568725422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2245278655 - 2³ = 2245278647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13207437 + ... + 13207606.

It is an arithmetic number, because the mean of its divisors is an integer number (356603094).

Almost surely, 2^2245278655 is an apocalyptic number.

2245278655 is a deficient number, since it is larger than the sum of its proper divisors (607546097).

2245278655 is a wasteful number, since it uses less digits than its factorization.

2245278655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26415065.

The product of its digits is 1344000, while the sum is 46.

The square root of 2245278655 is about 47384.3714213875. The cubic root of 2245278655 is about 1309.4535053209.

It can be divided in two parts, 2245 and 278655, that added together give a square (280900 = 530²).

The spelling of 2245278655 in words is "two billion, two hundred forty-five million, two hundred seventy-eight thousand, six hundred fifty-five".