229139174688 has 96 divisors (see below), whose sum is σ = 615827209536. Its totient is φ = 74561184768.

The previous prime is 229139174651. The next prime is 229139174707. The reversal of 229139174688 is 886471931922.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×229139174688² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7733470 + ... + 7763042.

It is an arithmetic number, because the mean of its divisors is an integer number (6414866766).

Almost surely, 2^229139174688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229139174688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307913604768).

229139174688 is an abundant number, since it is smaller than the sum of its proper divisors (386688034848).

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

229139174688 is a wasteful number, since it uses less digits than its factorization.

229139174688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31506 (or 31498 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The spelling of 229139174688 in words is "two hundred twenty-nine billion, one hundred thirty-nine million, one hundred seventy-four thousand, six hundred eighty-eight".