2478223 has 8 divisors (see below), whose sum is σ = 2777040. Its totient is φ = 2191680.

The previous prime is 2478221. The next prime is 2478239. The reversal of 2478223 is 3228742.

2478223 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 cyclic number.

It is not a de Polignac number, because 2478223 - 2¹ = 2478221 is a prime.

It is a super-2 number, since 2×2478223² = 12283178475458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2478191 and 2478200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478221) 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, 2638 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (347130).

2^2478223 is an apocalyptic number.

2478223 is a deficient number, since it is larger than the sum of its proper divisors (298817).

2478223 is a wasteful number, since it uses less digits than its factorization.

2478223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137.

The product of its digits is 5376, while the sum is 28.

The square root of 2478223 is about 1574.2372756354. The cubic root of 2478223 is about 135.3256518622.

It can be divided in two parts, 2478 and 223, that added together give a triangular number (2701 = T₇₃).

The spelling of 2478223 in words is "two million, four hundred seventy-eight thousand, two hundred twenty-three".