1238448422 has 8 divisors (see below), whose sum is σ = 1921730400. Its totient is φ = 597871624.

The previous prime is 1238448391. The next prime is 1238448437. The reversal of 1238448422 is 2248448321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10676222 + ... + 10676337.

It is an arithmetic number, because the mean of its divisors is an integer number (240216300).

Almost surely, 2^1238448422 is an apocalyptic number.

1238448422 is a deficient number, since it is larger than the sum of its proper divisors (683281978).

1238448422 is a wasteful number, since it uses less digits than its factorization.

1238448422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21352590.

The product of its digits is 98304, while the sum is 38.

The square root of 1238448422 is about 35191.5959001578. The cubic root of 1238448422 is about 1073.8887877890. Note that the first 3 decimals are identical.

It can be divided in two parts, 12384 and 48422, that added together give a palindrome (60806).

The spelling of 1238448422 in words is "one billion, two hundred thirty-eight million, four hundred forty-eight thousand, four hundred twenty-two".