2288958138 has 12 divisors (see below), whose sum is σ = 4959409338. Its totient is φ = 762986040.

The previous prime is 2288958109. The next prime is 2288958151. The reversal of 2288958138 is 8318598822.

2288958138 is a `hidden beast` number, since 2 + 28 + 8 + 9 + 581 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1696863249 + 592094889 = 41193^2 + 24333^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63582153 + ... + 63582188.

Almost surely, 2^2288958138 is an apocalyptic number.

2288958138 is an abundant number, since it is smaller than the sum of its proper divisors (2670451200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2288958138 is a wasteful number, since it uses less digits than its factorization.

2288958138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127164349 (or 127164346 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 2288958138 is about 47843.0573646794. The cubic root of 2288958138 is about 1317.8903663903.

The spelling of 2288958138 in words is "two billion, two hundred eighty-eight million, nine hundred fifty-eight thousand, one hundred thirty-eight".