4221884 has 6 divisors (see below), whose sum is σ = 7388304. Its totient is φ = 2110940.

The previous prime is 4221883. The next prime is 4221911. The reversal of 4221884 is 4881224.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527732 + ... + 527739.

It is an arithmetic number, because the mean of its divisors is an integer number (1231384).

Almost surely, 2^4221884 is an apocalyptic number.

It is an amenable number.

4221884 is a deficient number, since it is larger than the sum of its proper divisors (3166420).

4221884 is a wasteful number, since it uses less digits than its factorization.

4221884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055475 (or 1055473 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 4221884 is about 2054.7223656738. The cubic root of 4221884 is about 161.6226036904.

The spelling of 4221884 in words is "four million, two hundred twenty-one thousand, eight hundred eighty-four".