229797 has 10 divisors (see below), whose sum is σ = 343398. Its totient is φ = 153144.

The previous prime is 229781. The next prime is 229799. The reversal of 229797 is 797922.

It can be written as a sum of positive squares in only one way, i.e., 136161 + 93636 = 369^2 + 306^2 .

It is not a de Polignac number, because 229797 - 2⁴ = 229781 is a prime.

It is a super-2 number, since 2×229797² = 105613322418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229799) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1338 + ... + 1499.

2²²⁹⁷⁹⁷ is an apocalyptic number.

229797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

229797 is a deficient number, since it is larger than the sum of its proper divisors (113601).

229797 is an equidigital number, since it uses as much as digits as its factorization.

229797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2840 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 229797 is about 479.3714634811. The cubic root of 229797 is about 61.2512258536.

The spelling of 229797 in words is "two hundred twenty-nine thousand, seven hundred ninety-seven".