8424224 has 12 divisors (see below), whose sum is σ = 16585254. Its totient is φ = 4212096.

The previous prime is 8424211. The next prime is 8424287. The reversal of 8424224 is 4224248.

It can be written as a sum of positive squares in only one way, i.e., 7463824 + 960400 = 2732^2 + 980^2 .

It is a super-3 number, since 3×8424224³ (a number of 22 digits) contains 333 as substring.

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

It is a d-powerful number, because it can be written as 8³ + 4² + 2¹¹ + 4² + 2¹⁵ + 2²³ + 4⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 8424193 and 8424202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131597 + ... + 131660.

Almost surely, 2^8424224 is an apocalyptic number.

It is an amenable number.

8424224 is a deficient number, since it is larger than the sum of its proper divisors (8161030).

8424224 is a wasteful number, since it uses less digits than its factorization.

8424224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263267 (or 263259 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 8424224 is about 2902.4513777151. The cubic root of 8424224 is about 203.4744900581.

The spelling of 8424224 in words is "eight million, four hundred twenty-four thousand, two hundred twenty-four".