229281417288 has 256 divisors, whose sum is σ = 801475430400. Its totient is φ = 58996581120.

The previous prime is 229281417271. The next prime is 229281417289. The reversal of 229281417288 is 882714182922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (229281417289) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1715206 + ... + 1844042.

It is an arithmetic number, because the mean of its divisors is an integer number (3130763400).

Almost surely, 2^229281417288 is an apocalyptic number.

229281417288 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 229281417288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400737715200).

229281417288 is an abundant number, since it is smaller than the sum of its proper divisors (572194013112).

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

229281417288 is a wasteful number, since it uses less digits than its factorization.

229281417288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128977 (or 128967 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The spelling of 229281417288 in words is "two hundred twenty-nine billion, two hundred eighty-one million, four hundred seventeen thousand, two hundred eighty-eight".