8442222 has 8 divisors (see below), whose sum is σ = 16884456. Its totient is φ = 2814072.

The previous prime is 8442221. The next prime is 8442223. The reversal of 8442222 is 2222448.

It is an interprime number because it is at equal distance from previous prime (8442221) and next prime (8442223).

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

8442222 is an admirable number.

It is a super-2 number, since 2×8442222² = 142542224594568, which contains 22 as substring.

8442222 is a modest number, since divided by 2222 gives 844 as remainder.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8442192 and 8442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442221) 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, 703513 + ... + 703524.

It is an arithmetic number, because the mean of its divisors is an integer number (2110557).

Almost surely, 2^8442222 is an apocalyptic number.

8442222 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.

8442222 is a wasteful number, since it uses less digits than its factorization.

8442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407042.

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

The square root of 8442222 is about 2905.5502060711. The cubic root of 8442222 is about 203.6192918806.

The spelling of 8442222 in words is "eight million, four hundred forty-two thousand, two hundred twenty-two".