2270878 has 4 divisors (see below), whose sum is σ = 3406320. Its totient is φ = 1135438.

The previous prime is 2270839. The next prime is 2270893. The reversal of 2270878 is 8780722.

2270878 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 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, 567718 + ... + 567721.

It is an arithmetic number, because the mean of its divisors is an integer number (851580).

2^2270878 is an apocalyptic number.

2270878 is a deficient number, since it is larger than the sum of its proper divisors (1135442).

2270878 is a wasteful number, since it uses less digits than its factorization.

2270878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135441.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 2270878 is about 1506.9432636964. The cubic root of 2270878 is about 131.4411250274.

The spelling of 2270878 in words is "two million, two hundred seventy thousand, eight hundred seventy-eight".