4219855 has 8 divisors (see below), whose sum is σ = 5077152. Its totient is φ = 3367008.

The previous prime is 4219849. The next prime is 4219871. The reversal of 4219855 is 5589124.

4219855 is nontrivially palindromic in base 9.

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

It is a cyclic number.

It is not a de Polignac number, because 4219855 - 2³ = 4219847 is a prime.

It is a Duffinian number.

4219855 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4219855.

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 7 ways as a sum of consecutive naturals, for example, 1569 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (634644).

Almost surely, 2^4219855 is an apocalyptic number.

4219855 is a deficient number, since it is larger than the sum of its proper divisors (857297).

4219855 is a wasteful number, since it uses less digits than its factorization.

4219855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its digits is 14400, while the sum is 34.

The square root of 4219855 is about 2054.2285656664. The cubic root of 4219855 is about 161.5967080784.

The spelling of 4219855 in words is "four million, two hundred nineteen thousand, eight hundred fifty-five".