4228422 has 16 divisors (see below), whose sum is σ = 9225792. Its totient is φ = 1281320.

The previous prime is 4228391. The next prime is 4228423. The reversal of 4228422 is 2248224.

It is a super-2 number, since 2×4228422² = 35759105220168, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4 + 2 + 2¹⁰ + 8² + 4⁴ + 2¹⁵ + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 4228392 and 4228401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31968 + ... + 32099.

It is an arithmetic number, because the mean of its divisors is an integer number (576612).

Almost surely, 2^4228422 is an apocalyptic number.

4228422 is an abundant number, since it is smaller than the sum of its proper divisors (4997370).

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

4228422 is a wasteful number, since it uses less digits than its factorization.

4228422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64083.

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

The square root of 4228422 is about 2056.3127194082. The cubic root of 4228422 is about 161.7059901272.

The spelling of 4228422 in words is "four million, two hundred twenty-eight thousand, four hundred twenty-two".