338221383668 has 24 divisors (see below), whose sum is σ = 677353229952. Its totient is φ = 144756922464.

The previous prime is 338221383641. The next prime is 338221383679. The reversal of 338221383668 is 866383122833.

It is a super-2 number, since 2×338221383668² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 8107955 + ... + 8149562.

It is an arithmetic number, because the mean of its divisors is an integer number (28223051248).

Almost surely, 2^338221383668 is an apocalyptic number.

It is an amenable number.

338221383668 is an abundant number, since it is smaller than the sum of its proper divisors (339131846284).

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

338221383668 is a wasteful number, since it uses less digits than its factorization.

338221383668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16258271 (or 16258269 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 53.

The spelling of 338221383668 in words is "three hundred thirty-eight billion, two hundred twenty-one million, three hundred eighty-three thousand, six hundred sixty-eight".