229300281 has 32 divisors (see below), whose sum is σ = 394617600. Its totient is φ = 128874240.

The previous prime is 229300277. The next prime is 229300289. The reversal of 229300281 is 182003922.

229300281 = 1310² + 1311² + ... + 1431².

It is a happy number.

It is not a de Polignac number, because 229300281 - 2² = 229300277 is a prime.

It is a super-2 number, since 2×229300281² = 105157237733357922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (229300289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1585 + ... + 21473.

It is an arithmetic number, because the mean of its divisors is an integer number (12331800).

Almost surely, 2^229300281 is an apocalyptic number.

229300281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

229300281 is a deficient number, since it is larger than the sum of its proper divisors (165317319).

229300281 is a wasteful number, since it uses less digits than its factorization.

229300281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19966 (or 19960 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 229300281 is about 15142.6642635964. The cubic root of 229300281 is about 612.0706137283.

The spelling of 229300281 in words is "two hundred twenty-nine million, three hundred thousand, two hundred eighty-one".