1224191338 has 8 divisors (see below), whose sum is σ = 1878991488. Its totient is φ = 597860844.

The previous prime is 1224191327. The next prime is 1224191341. The reversal of 1224191338 is 8331914221.

It is a happy number.

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

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, 7117306 + ... + 7117477.

It is an arithmetic number, because the mean of its divisors is an integer number (234873936).

Almost surely, 2^1224191338 is an apocalyptic number.

1224191338 is a deficient number, since it is larger than the sum of its proper divisors (654800150).

1224191338 is a wasteful number, since it uses less digits than its factorization.

1224191338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14234828.

The product of its digits is 10368, while the sum is 34.

The square root of 1224191338 is about 34988.4457785710. The cubic root of 1224191338 is about 1069.7519843254.

The spelling of 1224191338 in words is "one billion, two hundred twenty-four million, one hundred ninety-one thousand, three hundred thirty-eight".