4222855 has 16 divisors (see below), whose sum is σ = 6237504. Its totient is φ = 2672640.

The previous prime is 4222849. The next prime is 4222859. The reversal of 4222855 is 5582224.

It is not a de Polignac number, because 4222855 - 2⁹ = 4222343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222859) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4186 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (389844).

Almost surely, 2^4222855 is an apocalyptic number.

4222855 is a deficient number, since it is larger than the sum of its proper divisors (2014649).

4222855 is a wasteful number, since it uses less digits than its factorization.

4222855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306.

The product of its digits is 6400, while the sum is 28.

The square root of 4222855 is about 2054.9586370533. The cubic root of 4222855 is about 161.6349933817.

The spelling of 4222855 in words is "four million, two hundred twenty-two thousand, eight hundred fifty-five".