229021329388 has 6 divisors (see below), whose sum is σ = 400787326436. Its totient is φ = 114510664692.

The previous prime is 229021329377. The next prime is 229021329391. The reversal of 229021329388 is 883923120922.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28627666170 + ... + 28627666177.

Almost surely, 2^229021329388 is an apocalyptic number.

It is an amenable number.

229021329388 is a deficient number, since it is larger than the sum of its proper divisors (171765997048).

229021329388 is a wasteful number, since it uses less digits than its factorization.

229021329388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57255332351 (or 57255332349 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 229021329388 in words is "two hundred twenty-nine billion, twenty-one million, three hundred twenty-nine thousand, three hundred eighty-eight".