8221448 has 16 divisors (see below), whose sum is σ = 15912960. Its totient is φ = 3978000.

The previous prime is 8221439. The next prime is 8221453. The reversal of 8221448 is 8441228.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8221448.

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, 16328 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (994560).

Almost surely, 2^8221448 is an apocalyptic number.

It is an amenable number.

8221448 is a deficient number, since it is larger than the sum of its proper divisors (7691512).

8221448 is a wasteful number, since it uses less digits than its factorization.

8221448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33188 (or 33184 counting only the distinct ones).

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

The square root of 8221448 is about 2867.3067502449. The cubic root of 8221448 is about 201.8286296126.

The spelling of 8221448 in words is "eight million, two hundred twenty-one thousand, four hundred forty-eight".