2259945115 has 4 divisors (see below), whose sum is σ = 2711934144. Its totient is φ = 1807956088.

The previous prime is 2259945113. The next prime is 2259945131. The reversal of 2259945115 is 5115499522.

It is a happy number.

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 2259945115 - 2¹ = 2259945113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2259945113) 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, 225994507 + ... + 225994516.

It is an arithmetic number, because the mean of its divisors is an integer number (677983536).

Almost surely, 2^2259945115 is an apocalyptic number.

2259945115 is a deficient number, since it is larger than the sum of its proper divisors (451989029).

2259945115 is an equidigital number, since it uses as much as digits as its factorization.

2259945115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451989028.

The product of its digits is 162000, while the sum is 43.

The square root of 2259945115 is about 47538.8800351880. The cubic root of 2259945115 is about 1312.2984947187.

The spelling of 2259945115 in words is "two billion, two hundred fifty-nine million, nine hundred forty-five thousand, one hundred fifteen".