4322278 has 8 divisors (see below), whose sum is σ = 6505200. Its totient is φ = 2153880.

The previous prime is 4322243. The next prime is 4322287. The reversal of 4322278 is 8722234.

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 4 + 3⁴ + 2¹¹ + 2¹² + 2²² + 7⁶ + 8⁴ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853 + ... + 4096.

It is an arithmetic number, because the mean of its divisors is an integer number (813150).

Almost surely, 2^4322278 is an apocalyptic number.

4322278 is a deficient number, since it is larger than the sum of its proper divisors (2182922).

4322278 is a wasteful number, since it uses less digits than its factorization.

4322278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262.

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

The square root of 4322278 is about 2079.0088984899. The cubic root of 4322278 is about 162.8936790178.

The spelling of 4322278 in words is "four million, three hundred twenty-two thousand, two hundred seventy-eight".