1338223168 has 28 divisors (see below), whose sum is σ = 2770997760. Its totient is φ = 640019072.

The previous prime is 1338223147. The next prime is 1338223169. The reversal of 1338223168 is 8613228331.

It is not an unprimeable number, because it can be changed into a prime (1338223169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453088 + ... + 456031.

Almost surely, 2^1338223168 is an apocalyptic number.

It is an amenable number.

1338223168 is an abundant number, since it is smaller than the sum of its proper divisors (1432774592).

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

1338223168 is an equidigital number, since it uses as much as digits as its factorization.

1338223168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909154 (or 909144 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 1338223168 is about 36581.7327090995. The cubic root of 1338223168 is about 1101.9862646962.

The spelling of 1338223168 in words is "one billion, three hundred thirty-eight million, two hundred twenty-three thousand, one hundred sixty-eight".