8222624 has 12 divisors (see below), whose sum is σ = 16188354. Its totient is φ = 4111296.

The previous prime is 8222623. The next prime is 8222681. The reversal of 8222624 is 4262228.

It can be written as a sum of positive squares in only one way, i.e., 6091024 + 2131600 = 2468^2 + 1460^2 .

It is a super-2 number, since 2×8222624² = 135223090890752, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8222593 and 8222602.

It is not an unprimeable number, because it can be changed into a prime (8222623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128447 + ... + 128510.

Almost surely, 2^8222624 is an apocalyptic number.

It is an amenable number.

8222624 is a deficient number, since it is larger than the sum of its proper divisors (7965730).

8222624 is a wasteful number, since it uses less digits than its factorization.

8222624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256967 (or 256959 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 8222624 is about 2867.5118134020. The cubic root of 8222624 is about 201.8382523763.

The spelling of 8222624 in words is "eight million, two hundred twenty-two thousand, six hundred twenty-four".