1004421422 has 4 divisors (see below), whose sum is σ = 1506632136. Its totient is φ = 502210710.

The previous prime is 1004421419. The next prime is 1004421433. The reversal of 1004421422 is 2241244001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2241244001 = 67 ⋅33451403.

It is a junction number, because it is equal to n+sod(n) for n = 1004421394 and 1004421403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251105354 + ... + 251105357.

It is an arithmetic number, because the mean of its divisors is an integer number (376658034).

Almost surely, 2^1004421422 is an apocalyptic number.

1004421422 is a deficient number, since it is larger than the sum of its proper divisors (502210714).

1004421422 is an equidigital number, since it uses as much as digits as its factorization.

1004421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502210713.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1004421422 is about 31692.6083180290. The cubic root of 1004421422 is about 1001.4716405450.

Adding to 1004421422 its reverse (2241244001), we get a palindrome (3245665423).

The spelling of 1004421422 in words is "one billion, four million, four hundred twenty-one thousand, four hundred twenty-two".