2278443563 has 4 divisors (see below), whose sum is σ = 2485574808. Its totient is φ = 2071312320.

The previous prime is 2278443529. The next prime is 2278443571. The reversal of 2278443563 is 3653448722.

2278443563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2278443563 - 2⁶ = 2278443499 is a prime.

It is a super-2 number, since 2×2278443563² = 10382610139552269938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2278443593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103565606 + ... + 103565627.

It is an arithmetic number, because the mean of its divisors is an integer number (621393702).

Almost surely, 2^2278443563 is an apocalyptic number.

2278443563 is a deficient number, since it is larger than the sum of its proper divisors (207131245).

2278443563 is a wasteful number, since it uses less digits than its factorization.

2278443563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207131244.

The product of its digits is 967680, while the sum is 44.

The square root of 2278443563 is about 47733.0447698447. The cubic root of 2278443563 is about 1315.8693116080.

The spelling of 2278443563 in words is "two billion, two hundred seventy-eight million, four hundred forty-three thousand, five hundred sixty-three".