8420226 has 8 divisors (see below), whose sum is σ = 16840464. Its totient is φ = 2806740.

The previous prime is 8420221. The next prime is 8420233. The reversal of 8420226 is 6220248.

It is a sphenic number, since it is the product of 3 distinct primes.

8420226 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8420196 and 8420205.

It is not an unprimeable number, because it can be changed into a prime (8420221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701680 + ... + 701691.

It is an arithmetic number, because the mean of its divisors is an integer number (2105058).

Almost surely, 2^8420226 is an apocalyptic number.

8420226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8420226 is a wasteful number, since it uses less digits than its factorization.

8420226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403376.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 8420226 is about 2901.7625678198. The cubic root of 8420226 is about 203.4422964011.

It can be divided in two parts, 8420 and 226, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 8420226 in words is "eight million, four hundred twenty thousand, two hundred twenty-six".