2244378859 has 4 divisors (see below), whose sum is σ = 2249562616. Its totient is φ = 2239195104.

The previous prime is 2244378841. The next prime is 2244378883. The reversal of 2244378859 is 9588734422.

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

It is a cyclic number.

It is not a de Polignac number, because 2244378859 - 2⁹ = 2244378347 is a prime.

It is a super-2 number, since 2×2244378859² = 10074472925452283762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2244378359) 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, 2591229 + ... + 2592094.

It is an arithmetic number, because the mean of its divisors is an integer number (562390654).

Almost surely, 2^2244378859 is an apocalyptic number.

2244378859 is a deficient number, since it is larger than the sum of its proper divisors (5183757).

2244378859 is an equidigital number, since it uses as much as digits as its factorization.

2244378859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183756.

The product of its digits is 3870720, while the sum is 52.

The square root of 2244378859 is about 47374.8758204177. The cubic root of 2244378859 is about 1309.2785606724.

The spelling of 2244378859 in words is "two billion, two hundred forty-four million, three hundred seventy-eight thousand, eight hundred fifty-nine".