4420422 has 24 divisors (see below), whose sum is σ = 9626760. Its totient is φ = 1465920.

The previous prime is 4420421. The next prime is 4420453. The reversal of 4420422 is 2240244.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4420395 and 4420404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3829 + ... + 4847.

It is an arithmetic number, because the mean of its divisors is an integer number (401115).

Almost surely, 2^4420422 is an apocalyptic number.

4420422 is an abundant number, since it is smaller than the sum of its proper divisors (5206338).

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

4420422 is a wasteful number, since it uses less digits than its factorization.

4420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4420422 is about 2102.4799642327. The cubic root of 4420422 is about 164.1173807690.

Adding to 4420422 its reverse (2240244), we get a palindrome (6660666).

The spelling of 4420422 in words is "four million, four hundred twenty thousand, four hundred twenty-two".