2239961117 has 16 divisors (see below), whose sum is σ = 2314604160. Its totient is φ = 2166464832.

The previous prime is 2239961083. The next prime is 2239961173. The reversal of 2239961117 is 7111699322.

It is a cyclic number.

It is not a de Polignac number, because 2239961117 - 2²⁰ = 2238912541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239961177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2278208 + ... + 2279190.

It is an arithmetic number, because the mean of its divisors is an integer number (144662760).

Almost surely, 2^2239961117 is an apocalyptic number.

It is an amenable number.

2239961117 is a deficient number, since it is larger than the sum of its proper divisors (74643043).

2239961117 is a wasteful number, since it uses less digits than its factorization.

2239961117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492.

The product of its digits is 40824, while the sum is 41.

The square root of 2239961117 is about 47328.2274863532. The cubic root of 2239961117 is about 1308.4189532655.

The spelling of 2239961117 in words is "two billion, two hundred thirty-nine million, nine hundred sixty-one thousand, one hundred seventeen".