229897728188 has 24 divisors (see below), whose sum is σ = 415493576064. Its totient is φ = 111188750400.

The previous prime is 229897728139. The next prime is 229897728191. The reversal of 229897728188 is 881827798922.

It is a super-3 number, since 3×229897728188³ (a number of 35 digits) contains 333 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, 167495 + ... + 698462.

It is an arithmetic number, because the mean of its divisors is an integer number (17312232336).

Almost surely, 2^229897728188 is an apocalyptic number.

It is an amenable number.

229897728188 is a deficient number, since it is larger than the sum of its proper divisors (185595847876).

229897728188 is a wasteful number, since it uses less digits than its factorization.

229897728188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868133 (or 868131 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 71.

The spelling of 229897728188 in words is "two hundred twenty-nine billion, eight hundred ninety-seven million, seven hundred twenty-eight thousand, one hundred eighty-eight".