229371515238 has 16 divisors (see below), whose sum is σ = 460570694976. Its totient is φ = 76152561000.

The previous prime is 229371515231. The next prime is 229371515239. The reversal of 229371515238 is 832515173922.

It is a super-2 number, since 2×229371515238² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229371515231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76151056 + ... + 76154067.

It is an arithmetic number, because the mean of its divisors is an integer number (28785668436).

Almost surely, 2^229371515238 is an apocalyptic number.

229371515238 is an abundant number, since it is smaller than the sum of its proper divisors (231199179738).

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

229371515238 is a wasteful number, since it uses less digits than its factorization.

229371515238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152305379.

The product of its digits is 907200, while the sum is 48.

The spelling of 229371515238 in words is "two hundred twenty-nine billion, three hundred seventy-one million, five hundred fifteen thousand, two hundred thirty-eight".