4421888 has 36 divisors (see below), whose sum is σ = 9222528. Its totient is φ = 2112000.

The previous prime is 4421869. The next prime is 4421897. The reversal of 4421888 is 8881244.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5513 + ... + 6263.

Almost surely, 2^4421888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4421888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4611264).

4421888 is an abundant number, since it is smaller than the sum of its proper divisors (4800640).

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

4421888 is an equidigital number, since it uses as much as digits as its factorization.

4421888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 776 counting only the distinct ones).

The product of its digits is 16384, while the sum is 35.

The square root of 4421888 is about 2102.8285712345. The cubic root of 4421888 is about 164.1355215323.

The spelling of 4421888 in words is "four million, four hundred twenty-one thousand, eight hundred eighty-eight".