4003822 has 4 divisors (see below), whose sum is σ = 6005736. Its totient is φ = 2001910.

The previous prime is 4003819. The next prime is 4003841. The reversal of 4003822 is 2283004.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4003822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000954 + ... + 1000957.

It is an arithmetic number, because the mean of its divisors is an integer number (1501434).

Almost surely, 2^4003822 is an apocalyptic number.

4003822 is a deficient number, since it is larger than the sum of its proper divisors (2001914).

4003822 is a wasteful number, since it uses less digits than its factorization.

4003822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001913.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4003822 is about 2000.9552718639. The cubic root of 4003822 is about 158.7906478259.

Adding to 4003822 its reverse (2283004), we get a palindrome (6286826).

The spelling of 4003822 in words is "four million, three thousand, eight hundred twenty-two".