2285112138 has 64 divisors (see below), whose sum is σ = 4734588672. Its totient is φ = 734952960.

The previous prime is 2285112133. The next prime is 2285112157. The reversal of 2285112138 is 8312115822.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2285112099 and 2285112108.

It is not an unprimeable number, because it can be changed into a prime (2285112133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6126120 + ... + 6126492.

It is an arithmetic number, because the mean of its divisors is an integer number (73977948).

Almost surely, 2^2285112138 is an apocalyptic number.

2285112138 is an abundant number, since it is smaller than the sum of its proper divisors (2449476534).

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

2285112138 is a wasteful number, since it uses less digits than its factorization.

2285112138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its digits is 7680, while the sum is 33.

The square root of 2285112138 is about 47802.8465470415. The cubic root of 2285112138 is about 1317.1518283711.

The spelling of 2285112138 in words is "two billion, two hundred eighty-five million, one hundred twelve thousand, one hundred thirty-eight".