11223878 has 16 divisors (see below), whose sum is σ = 17235504. Its totient is φ = 5480160.

The previous prime is 11223871. The next prime is 11223881. The reversal of 11223878 is 87832211.

11223878 is nontrivially palindromic in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223871) 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 7 ways as a sum of consecutive naturals, for example, 23801 + ... + 24267.

It is an arithmetic number, because the mean of its divisors is an integer number (1077219).

Almost surely, 2^11223878 is an apocalyptic number.

11223878 is a deficient number, since it is larger than the sum of its proper divisors (6011626).

11223878 is a wasteful number, since it uses less digits than its factorization.

11223878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its digits is 5376, while the sum is 32.

The square root of 11223878 is about 3350.2056653286. The cubic root of 11223878 is about 223.8966758803.

The spelling of 11223878 in words is "eleven million, two hundred twenty-three thousand, eight hundred seventy-eight".