2223878 has 8 divisors (see below), whose sum is σ = 3443520. Its totient is φ = 1076040.

The previous prime is 2223869. The next prime is 2223883. The reversal of 2223878 is 8783222.

2223878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2 + 2⁷ + 2¹³ + 3⁵ + 8³ + 7⁶ + 8⁷ .

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 in 3 ways as a sum of consecutive naturals, for example, 17873 + ... + 17996.

It is an arithmetic number, because the mean of its divisors is an integer number (430440).

2^2223878 is an apocalyptic number.

2223878 is a deficient number, since it is larger than the sum of its proper divisors (1219642).

2223878 is a wasteful number, since it uses less digits than its factorization.

2223878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35902.

The product of its digits is 10752, while the sum is 32.

The square root of 2223878 is about 1491.2672463378. The cubic root of 2223878 is about 130.5279907468.

The spelling of 2223878 in words is "two million, two hundred twenty-three thousand, eight hundred seventy-eight".