2278134 has 24 divisors (see below), whose sum is σ = 5012280. Its totient is φ = 747648.

The previous prime is 2278121. The next prime is 2278139. The reversal of 2278134 is 4318722.

2278134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2278098 and 2278107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278139) 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 11 ways as a sum of consecutive naturals, for example, 262 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (208845).

2^2278134 is an apocalyptic number.

2278134 is an abundant number, since it is smaller than the sum of its proper divisors (2734146).

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

2278134 is a wasteful number, since it uses less digits than its factorization.

2278134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1961 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2278134 is about 1509.3488662334. The cubic root of 2278134 is about 131.5809714945.

Adding to 2278134 its product of digits (2688), we get a palindrome (2280822).

The spelling of 2278134 in words is "two million, two hundred seventy-eight thousand, one hundred thirty-four".