2244780855 has 24 divisors (see below), whose sum is σ = 3898728288. Its totient is φ = 1194824256.

The previous prime is 2244780851. The next prime is 2244780869. The reversal of 2244780855 is 5580874422.

2244780855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2244780855 - 2² = 2244780851 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 2244780855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244780851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26952 + ... + 72221.

It is an arithmetic number, because the mean of its divisors is an integer number (162447012).

Almost surely, 2^2244780855 is an apocalyptic number.

2244780855 is a deficient number, since it is larger than the sum of its proper divisors (1653947433).

2244780855 is a wasteful number, since it uses less digits than its factorization.

2244780855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99687 (or 99684 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The square root of 2244780855 is about 47379.1183434221. The cubic root of 2244780855 is about 1309.3567253313.

The spelling of 2244780855 in words is "two billion, two hundred forty-four million, seven hundred eighty thousand, eight hundred fifty-five".