2522378 has 8 divisors (see below), whose sum is σ = 3790368. Its totient is φ = 1258924.

The previous prime is 2522371. The next prime is 2522381. The reversal of 2522378 is 8732252.

2522378 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 self number, because there is not a number n which added to its sum of digits gives 2522378.

It is not an unprimeable number, because it can be changed into a prime (2522371) 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 3 ways as a sum of consecutive naturals, for example, 1325 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (473796).

2^2522378 is an apocalyptic number.

2522378 is a deficient number, since it is larger than the sum of its proper divisors (1267990).

2522378 is a wasteful number, since it uses less digits than its factorization.

2522378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its digits is 6720, while the sum is 29.

The square root of 2522378 is about 1588.1996096209. The cubic root of 2522378 is about 136.1246334414.

The spelling of 2522378 in words is "two million, five hundred twenty-two thousand, three hundred seventy-eight".