229817592648 has 180 divisors, whose sum is σ = 726746857785. Its totient is φ = 65605220352.

The previous prime is 229817592647. The next prime is 229817592709. The reversal of 229817592648 is 846295718922.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

229817592648 is a `hidden beast` number, since 2 + 29 + 8 + 17 + 592 + 6 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 208467122724 + 21350469924 = 456582^2 + 146118^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338982.

It is a super-2 number, since 2×229817592648² (a number of 24 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (229817592647) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 199320840 + ... + 199321992.

Almost surely, 2^229817592648 is an apocalyptic number.

229817592648 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 229817592648

229817592648 is an abundant number, since it is smaller than the sum of its proper divisors (496929265137).

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

229817592648 is an frugal number, since it uses more digits than its factorization.

229817592648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 1165 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 229817592648 in words is "two hundred twenty-nine billion, eight hundred seventeen million, five hundred ninety-two thousand, six hundred forty-eight".