4242278 has 8 divisors (see below), whose sum is σ = 6399120. Its totient is φ = 2109240.

The previous prime is 4242269. The next prime is 4242283. The reversal of 4242278 is 8722424.

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 4242278.

It is a congruent number.

It is an unprimeable number.

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, 5498 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (799890).

Almost surely, 2^4242278 is an apocalyptic number.

4242278 is a deficient number, since it is larger than the sum of its proper divisors (2156842).

4242278 is a wasteful number, since it uses less digits than its factorization.

4242278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11902.

The product of its digits is 7168, while the sum is 29.

The square root of 4242278 is about 2059.6791012194. The cubic root of 4242278 is about 161.8824275200.

The spelling of 4242278 in words is "four million, two hundred forty-two thousand, two hundred seventy-eight".