8424222 has 16 divisors (see below), whose sum is σ = 17125392. Its totient is φ = 2761920.

The previous prime is 8424211. The next prime is 8424287. The reversal of 8424222 is 2224248.

It is a junction number, because it is equal to n+sod(n) for n = 8424192 and 8424201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11143 + ... + 11874.

It is an arithmetic number, because the mean of its divisors is an integer number (1070337).

Almost surely, 2^8424222 is an apocalyptic number.

8424222 is an abundant number, since it is smaller than the sum of its proper divisors (8701170).

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

8424222 is a wasteful number, since it uses less digits than its factorization.

8424222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23083.

The product of its digits is 2048, while the sum is 24.

The square root of 8424222 is about 2902.4510331787. The cubic root of 8424222 is about 203.4744739558.

It can be divided in two parts, 8424 and 222, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 8424222 in words is "eight million, four hundred twenty-four thousand, two hundred twenty-two".