6222224 has 20 divisors (see below), whose sum is σ = 12137244. Its totient is φ = 3090048.

The previous prime is 6222217. The next prime is 6222233. The reversal of 6222224 is 4222226.

It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 3763600 = 1568^2 + 1940^2 .

It is a super-3 number, since 3×6222224³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6222196 and 6222205.

It is a congruent number.

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, 1274 + ... + 3750.

Almost surely, 2^6222224 is an apocalyptic number.

It is an amenable number.

6222224 is a deficient number, since it is larger than the sum of its proper divisors (5915020).

6222224 is a wasteful number, since it uses less digits than its factorization.

6222224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 2636 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 6222224 is about 2494.4386141976. The cubic root of 6222224 is about 183.9282959424.

It can be divided in two parts, 622222 and 4, that added together give a palindrome (622226).

The spelling of 6222224 in words is "six million, two hundred twenty-two thousand, two hundred twenty-four".