1000004422 has 4 divisors (see below), whose sum is σ = 1500006636. Its totient is φ = 500002210.

The previous prime is 1000004389. The next prime is 1000004437. The reversal of 1000004422 is 2244000001.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 250001104 + ... + 250001107.

It is an arithmetic number, because the mean of its divisors is an integer number (375001659).

Almost surely, 2^1000004422 is an apocalyptic number.

1000004422 is a deficient number, since it is larger than the sum of its proper divisors (500002214).

1000004422 is an equidigital number, since it uses as much as digits as its factorization.

1000004422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500002213.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1000004422 is about 31622.8465195656. The cubic root of 1000004422 is about 1000.0014739978.

Adding to 1000004422 its reverse (2244000001), we get a palindrome (3244004423).

The spelling of 1000004422 in words is "one billion, four thousand, four hundred twenty-two".