228797 has 2 divisors, whose sum is σ = 228798. Its totient is φ = 228796.

The previous prime is 228793. The next prime is 228799. The reversal of 228797 is 797822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219961 + 8836 = 469^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 228797 - 2² = 228793 is a prime.

Together with 228799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114398 + 114399.

It is an arithmetic number, because the mean of its divisors is an integer number (114399).

2²²⁸⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

228797 is a deficient number, since it is larger than the sum of its proper divisors (1).

228797 is an equidigital number, since it uses as much as digits as its factorization.

228797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 228797 is about 478.3272938062. The cubic root of 228797 is about 61.1622483508.

The spelling of 228797 in words is "two hundred twenty-eight thousand, seven hundred ninety-seven".