1438224008 has 32 divisors (see below), whose sum is σ = 2906026200. Its totient is φ = 663356928.

The previous prime is 1438223977. The next prime is 1438224031. The reversal of 1438224008 is 8004228341.

It can be written as a sum of positive squares in 4 ways, for example, as 1438078084 + 145924 = 37922^2 + 382^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195338 + ... + 202566.

Almost surely, 2^1438224008 is an apocalyptic number.

It is an amenable number.

1438224008 is an abundant number, since it is smaller than the sum of its proper divisors (1467802192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438224008 is a wasteful number, since it uses less digits than its factorization.

1438224008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161 (or 9157 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 1438224008 is about 37923.9239530933. The cubic root of 1438224008 is about 1128.7788013223.

The spelling of 1438224008 in words is "one billion, four hundred thirty-eight million, two hundred twenty-four thousand, eight".