2273826138 has 32 divisors (see below), whose sum is σ = 4769280000. Its totient is φ = 721336176.

The previous prime is 2273826091. The next prime is 2273826169. The reversal of 2273826138 is 8316283722.

It is a self number, because there is not a number n which added to its sum of digits gives 2273826138.

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 15 ways as a sum of consecutive naturals, for example, 13938 + ... + 68861.

It is an arithmetic number, because the mean of its divisors is an integer number (149040000).

Almost surely, 2^2273826138 is an apocalyptic number.

2273826138 is an abundant number, since it is smaller than the sum of its proper divisors (2495453862).

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

2273826138 is a wasteful number, since it uses less digits than its factorization.

2273826138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83026.

The product of its digits is 193536, while the sum is 42.

The square root of 2273826138 is about 47684.6530657401. The cubic root of 2273826138 is about 1314.9798101060.

The spelling of 2273826138 in words is "two billion, two hundred seventy-three million, eight hundred twenty-six thousand, one hundred thirty-eight".