8422222 has 4 divisors (see below), whose sum is σ = 12633336. Its totient is φ = 4211110.

The previous prime is 8422217. The next prime is 8422223. The reversal of 8422222 is 2222248.

It is a happy number.

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

8422222 is a modest number, since divided by 2222 gives 842 as remainder.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8422193 and 8422202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8422223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2105554 + ... + 2105557.

It is an arithmetic number, because the mean of its divisors is an integer number (3158334).

Almost surely, 2^8422222 is an apocalyptic number.

8422222 is a deficient number, since it is larger than the sum of its proper divisors (4211114).

8422222 is a wasteful number, since it uses less digits than its factorization.

8422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211113.

The product of its digits is 1024, while the sum is 22.

The square root of 8422222 is about 2902.1064763375. The cubic root of 8422222 is about 203.4583703458.

The spelling of 8422222 in words is "eight million, four hundred twenty-two thousand, two hundred twenty-two".