1224406004 has 6 divisors (see below), whose sum is σ = 2142710514. Its totient is φ = 612203000.

The previous prime is 1224405991. The next prime is 1224406033. The reversal of 1224406004 is 4006044221.

It can be written as a sum of positive squares in only one way, i.e., 1220803600 + 3602404 = 34940^2 + 1898^2 .

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 as a sum of consecutive naturals, namely, 153050747 + ... + 153050754.

It is an arithmetic number, because the mean of its divisors is an integer number (357118419).

Almost surely, 2^1224406004 is an apocalyptic number.

It is an amenable number.

1224406004 is a deficient number, since it is larger than the sum of its proper divisors (918304510).

1224406004 is a wasteful number, since it uses less digits than its factorization.

1224406004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306101505 (or 306101503 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1224406004 is about 34991.5133139451. The cubic root of 1224406004 is about 1069.8145088538.

The spelling of 1224406004 in words is "one billion, two hundred twenty-four million, four hundred six thousand, four".