229531372238448 has 180 divisors, whose sum is σ = 747643353871440. Its totient is φ = 65545486530048.

The previous prime is 229531372238423. The next prime is 229531372238449. The reversal of 229531372238448 is 844832273135922.

229531372238448 is a `hidden beast` number, since 2 + 2 + 9 + 5 + 3 + 137 + 22 + 38 + 448 = 666.

229531372238448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229531372238449) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4602036 + ... + 21914412.

Almost surely, 2^{229531372238448} is an apocalyptic number.

229531372238448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229531372238448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373821676935720).

229531372238448 is an abundant number, since it is smaller than the sum of its proper divisors (518111981632992).

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

229531372238448 is a wasteful number, since it uses less digits than its factorization.

229531372238448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17314284 (or 17314268 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 63.

The spelling of 229531372238448 in words is "two hundred twenty-nine trillion, five hundred thirty-one billion, three hundred seventy-two million, two hundred thirty-eight thousand, four hundred forty-eight".