4221804 has 48 divisors (see below), whose sum is σ = 10281600. Its totient is φ = 1347456.

The previous prime is 4221799. The next prime is 4221827. The reversal of 4221804 is 4081224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47392 + ... + 47480.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

Almost surely, 2^4221804 is an apocalyptic number.

It is an amenable number.

4221804 is an abundant number, since it is smaller than the sum of its proper divisors (6059796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221804 is a wasteful number, since it uses less digits than its factorization.

4221804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4221804 is about 2054.7028982313. The cubic root of 4221804 is about 161.6215828279.

The spelling of 4221804 in words is "four million, two hundred twenty-one thousand, eight hundred four".