2813522238 has 24 divisors (see below), whose sum is σ = 6109742808. Its totient is φ = 935721072.

The previous prime is 2813522237. The next prime is 2813522263. The reversal of 2813522238 is 8322253182.

It is a happy number.

2813522238 is a `hidden beast` number, since 2 + 81 + 352 + 223 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813522233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168445 + ... + 184392.

It is an arithmetic number, because the mean of its divisors is an integer number (254572617).

Almost surely, 2^2813522238 is an apocalyptic number.

2813522238 is an abundant number, since it is smaller than the sum of its proper divisors (3296220570).

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

2813522238 is a wasteful number, since it uses less digits than its factorization.

2813522238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353288 (or 353285 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2813522238 is about 53042.6454657005. The cubic root of 2813522238 is about 1411.7250382132.

The spelling of 2813522238 in words is "two billion, eight hundred thirteen million, five hundred twenty-two thousand, two hundred thirty-eight".