422222224 has 40 divisors (see below), whose sum is σ = 855695232. Its totient is φ = 201442560.

The previous prime is 422222219. The next prime is 422222239.

422222224 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 422222195 and 422222204.

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, 183964 + ... + 186244.

Almost surely, 2^422222224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422222224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427847616).

422222224 is an abundant number, since it is smaller than the sum of its proper divisors (433473008).

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

422222224 is a wasteful number, since it uses less digits than its factorization.

422222224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2809 counting only the distinct ones).

The product of its digits is 2048, while the sum is 22.

The square root of 422222224 is about 20548.0467198223. The cubic root of 422222224 is about 750.2057059453.

The spelling of 422222224 in words is "four hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-four".