230220257 has 2 divisors, whose sum is σ = 230220258. Its totient is φ = 230220256.

The previous prime is 230220251. The next prime is 230220281. The reversal of 230220257 is 752022032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134003776 + 96216481 = 11576^2 + 9809^2 .

It is a cyclic number.

It is not a de Polignac number, because 230220257 - 2¹⁰ = 230219233 is a prime.

It is not a weakly prime, because it can be changed into another prime (230220251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115110128 + 115110129.

It is an arithmetic number, because the mean of its divisors is an integer number (115110129).

Almost surely, 2^230220257 is an apocalyptic number.

It is an amenable number.

230220257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230220257 is an equidigital number, since it uses as much as digits as its factorization.

230220257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 230220257 is about 15173.0108086695. The cubic root of 230220257 is about 612.8880845837. Note that the first 3 decimals are identical.

Adding to 230220257 its reverse (752022032), we get a palindrome (982242289).

It can be divided in two parts, 23022025 and 7, that added together give a palindrome (23022032).

The spelling of 230220257 in words is "two hundred thirty million, two hundred twenty thousand, two hundred fifty-seven".