229427 has 4 divisors (see below), whose sum is σ = 250296. Its totient is φ = 208560.

The previous prime is 229423. The next prime is 229433. The reversal of 229427 is 724922.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 229427 - 2² = 229423 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 229396 and 229405.

It is not an unprimeable number, because it can be changed into a prime (229423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10418 + ... + 10439.

It is an arithmetic number, because the mean of its divisors is an integer number (62574).

2²²⁹⁴²⁷ is an apocalyptic number.

229427 is a deficient number, since it is larger than the sum of its proper divisors (20869).

229427 is a wasteful number, since it uses less digits than its factorization.

229427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20868.

The product of its digits is 2016, while the sum is 26.

The square root of 229427 is about 478.9853859984. The cubic root of 229427 is about 61.2183343192.

It can be divided in two parts, 229 and 427, that added together give a palindrome (656).

The spelling of 229427 in words is "two hundred twenty-nine thousand, four hundred twenty-seven".