4003422 has 16 divisors (see below), whose sum is σ = 8104320. Its totient is φ = 1318232.

The previous prime is 4003397. The next prime is 4003423. The reversal of 4003422 is 2243004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522 + ... + 4517.

It is an arithmetic number, because the mean of its divisors is an integer number (506520).

Almost surely, 2^4003422 is an apocalyptic number.

4003422 is an abundant number, since it is smaller than the sum of its proper divisors (4100898).

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

4003422 is a wasteful number, since it uses less digits than its factorization.

4003422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4003422 is about 2000.8553171082. The cubic root of 4003422 is about 158.7853596809.

Adding to 4003422 its reverse (2243004), we get a palindrome (6246426).

The spelling of 4003422 in words is "four million, three thousand, four hundred twenty-two".