4228378 has 16 divisors (see below), whose sum is σ = 7907904. Its totient is φ = 1647360.

The previous prime is 4228373. The next prime is 4228381. The reversal of 4228378 is 8738224.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁹ + 2¹⁵ + 8 + 3⁶ + 7² + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13575 + ... + 13882.

It is an arithmetic number, because the mean of its divisors is an integer number (494244).

Almost surely, 2^4228378 is an apocalyptic number.

4228378 is a deficient number, since it is larger than the sum of its proper divisors (3679526).

4228378 is a wasteful number, since it uses less digits than its factorization.

4228378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27477.

The product of its digits is 21504, while the sum is 34.

The square root of 4228378 is about 2056.3020206186. The cubic root of 4228378 is about 161.7054292333.

The spelling of 4228378 in words is "four million, two hundred twenty-eight thousand, three hundred seventy-eight".