2235878 has 4 divisors (see below), whose sum is σ = 3353820. Its totient is φ = 1117938.

The previous prime is 2235869. The next prime is 2235887. The reversal of 2235878 is 8785322.

It is a happy number.

2235878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2235869) and next prime (2235887).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 558968 + ... + 558971.

It is an arithmetic number, because the mean of its divisors is an integer number (838455).

2^2235878 is an apocalyptic number.

2235878 is a deficient number, since it is larger than the sum of its proper divisors (1117942).

2235878 is a wasteful number, since it uses less digits than its factorization.

2235878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117941.

The product of its digits is 26880, while the sum is 35.

The square root of 2235878 is about 1495.2852570664. The cubic root of 2235878 is about 130.7623451791.

It can be divided in two parts, 2235 and 878, that added together give a palindrome (3113).

The spelling of 2235878 in words is "two million, two hundred thirty-five thousand, eight hundred seventy-eight".