1004422012 has 12 divisors (see below), whose sum is σ = 1917533016. Its totient is φ = 456555440.

The previous prime is 1004421973. The next prime is 1004422021. The reversal of 1004422012 is 2102244001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11413843 + ... + 11413930.

It is an arithmetic number, because the mean of its divisors is an integer number (159794418).

Almost surely, 2^1004422012 is an apocalyptic number.

It is an amenable number.

1004422012 is a deficient number, since it is larger than the sum of its proper divisors (913111004).

1004422012 is a wasteful number, since it uses less digits than its factorization.

1004422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827788 (or 22827786 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1004422012 is about 31692.6176261918. The cubic root of 1004422012 is about 1001.4718366341.

Adding to 1004422012 its reverse (2102244001), we get a palindrome (3106666013).

The spelling of 1004422012 in words is "one billion, four million, four hundred twenty-two thousand, twelve".