229700 has 18 divisors (see below), whose sum is σ = 498666. Its totient is φ = 91840.

The previous prime is 229699. The next prime is 229703. The reversal of 229700 is 7922.

It can be written as a sum of positive squares in 3 ways, for example, as 12544 + 217156 = 112^2 + 466^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (229703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1049 + ... + 1248.

2²²⁹⁷⁰⁰ is an apocalyptic number.

229700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229700 is an abundant number, since it is smaller than the sum of its proper divisors (268966).

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

229700 is a wasteful number, since it uses less digits than its factorization.

229700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 229700 is about 479.2702786529. The cubic root of 229700 is about 61.2426063545.

It can be divided in two parts, 229 and 700, that added together give a palindrome (929).

The spelling of 229700 in words is "two hundred twenty-nine thousand, seven hundred".