4221885 has 16 divisors (see below), whose sum is σ = 6938496. Its totient is φ = 2190528.

The previous prime is 4221883. The next prime is 4221911. The reversal of 4221885 is 5881224.

4221885 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4221885 - 2¹ = 4221883 is a prime.

4221885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249 + ... + 4358.

It is an arithmetic number, because the mean of its divisors is an integer number (433656).

Almost surely, 2^4221885 is an apocalyptic number.

It is an amenable number.

4221885 is a deficient number, since it is larger than the sum of its proper divisors (2716611).

4221885 is a wasteful number, since it uses less digits than its factorization.

4221885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652.

The product of its digits is 5120, while the sum is 30.

The square root of 4221885 is about 2054.7226090156. The cubic root of 4221885 is about 161.6226164511.

The spelling of 4221885 in words is "four million, two hundred twenty-one thousand, eight hundred eighty-five".