4218442 has 8 divisors (see below), whose sum is σ = 6408000. Its totient is φ = 2082444.

The previous prime is 4218439. The next prime is 4218463. The reversal of 4218442 is 2448124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13192 + ... + 13507.

It is an arithmetic number, because the mean of its divisors is an integer number (801000).

Almost surely, 2^4218442 is an apocalyptic number.

4218442 is a deficient number, since it is larger than the sum of its proper divisors (2189558).

4218442 is a wasteful number, since it uses less digits than its factorization.

4218442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26780.

The product of its digits is 2048, while the sum is 25.

The square root of 4218442 is about 2053.8846121435. The cubic root of 4218442 is about 161.5786694144.

The spelling of 4218442 in words is "four million, two hundred eighteen thousand, four hundred forty-two".