8424226 has 4 divisors (see below), whose sum is σ = 12636342. Its totient is φ = 4212112.

The previous prime is 8424211. The next prime is 8424287. The reversal of 8424226 is 6224248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4818025 + 3606201 = 2195^2 + 1899^2 .

It is a d-powerful number, because it can be written as 8³ + 4² + 2 + 4⁵ + 2¹⁵ + 2²³ + 6⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 8424194 and 8424203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106055 + ... + 2106058.

Almost surely, 2^8424226 is an apocalyptic number.

8424226 is a deficient number, since it is larger than the sum of its proper divisors (4212116).

8424226 is a wasteful number, since it uses less digits than its factorization.

8424226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212115.

The product of its digits is 6144, while the sum is 28.

The square root of 8424226 is about 2902.4517222514. The cubic root of 8424226 is about 203.4745061605.

It can be divided in two parts, 84 and 24226, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 8424226 in words is "eight million, four hundred twenty-four thousand, two hundred twenty-six".