229557 has 4 divisors (see below), whose sum is σ = 306080. Its totient is φ = 153036.

The previous prime is 229553. The next prime is 229561. The reversal of 229557 is 755922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (229553) and next prime (229561).

It is not a de Polignac number, because 229557 - 2² = 229553 is a prime.

It is a D-number.

It is a Duffinian number.

229557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38257 + ... + 38262.

It is an arithmetic number, because the mean of its divisors is an integer number (76520).

2²²⁹⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

229557 is a deficient number, since it is larger than the sum of its proper divisors (76523).

229557 is an equidigital number, since it uses as much as digits as its factorization.

229557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76522.

The product of its digits is 6300, while the sum is 30.

The square root of 229557 is about 479.1210702943. The cubic root of 229557 is about 61.2298948312.

The spelling of 229557 in words is "two hundred twenty-nine thousand, five hundred fifty-seven".