4224778 has 16 divisors (see below), whose sum is σ = 6842880. Its totient is φ = 1950256.

The previous prime is 4224769. The next prime is 4224791. The reversal of 4224778 is 8774224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

Almost surely, 2^4224778 is an apocalyptic number.

4224778 is a deficient number, since it is larger than the sum of its proper divisors (2618102).

4224778 is a wasteful number, since it uses less digits than its factorization.

4224778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221.

The product of its digits is 25088, while the sum is 34.

The square root of 4224778 is about 2055.4264764277. The cubic root of 4224778 is about 161.6595247255.

The spelling of 4224778 in words is "four million, two hundred twenty-four thousand, seven hundred seventy-eight".