229569 has 8 divisors (see below), whose sum is σ = 311520. Its totient is φ = 150336.

The previous prime is 229561. The next prime is 229583. The reversal of 229569 is 965922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229569 - 2³ = 229561 is a prime.

It is a super-2 number, since 2×229569² = 105403851522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472 + ... + 825.

It is an arithmetic number, because the mean of its divisors is an integer number (38940).

2²²⁹⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

229569 is a deficient number, since it is larger than the sum of its proper divisors (81951).

229569 is a wasteful number, since it uses less digits than its factorization.

229569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359.

The product of its digits is 9720, while the sum is 33.

The square root of 229569 is about 479.1335930615. The cubic root of 229569 is about 61.2309617353.

It can be divided in two parts, 22 and 9569, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 229569 in words is "two hundred twenty-nine thousand, five hundred sixty-nine".