1004404222 has 4 divisors (see below), whose sum is σ = 1506606336. Its totient is φ = 502202110.

The previous prime is 1004404213. The next prime is 1004404243. The reversal of 1004404222 is 2224044001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2224044001 = 307 ⋅7244443.

It is a self number, because there is not a number n which added to its sum of digits gives 1004404222.

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, 251101054 + ... + 251101057.

It is an arithmetic number, because the mean of its divisors is an integer number (376651584).

Almost surely, 2^1004404222 is an apocalyptic number.

1004404222 is a deficient number, since it is larger than the sum of its proper divisors (502202114).

1004404222 is an equidigital number, since it uses as much as digits as its factorization.

1004404222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502202113.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1004404222 is about 31692.3369602180. The cubic root of 1004404222 is about 1001.4659240167.

Adding to 1004404222 its reverse (2224044001), we get a palindrome (3228448223).

The spelling of 1004404222 in words is "one billion, four million, four hundred four thousand, two hundred twenty-two".