200232281 has 2 divisors, whose sum is σ = 200232282. Its totient is φ = 200232280.

The previous prime is 200232229. The next prime is 200232299. The reversal of 200232281 is 182232002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199939600 + 292681 = 14140^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 200232281 - 2⁶ = 200232217 is a prime.

It is a super-2 number, since 2×200232281² = 80185932708925922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200231281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100116140 + 100116141.

It is an arithmetic number, because the mean of its divisors is an integer number (100116141).

Almost surely, 2^200232281 is an apocalyptic number.

It is an amenable number.

200232281 is a deficient number, since it is larger than the sum of its proper divisors (1).

200232281 is an equidigital number, since it uses as much as digits as its factorization.

200232281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 200232281 is about 14150.3456141537. The cubic root of 200232281 is about 585.0298579739.

Adding to 200232281 its reverse (182232002), we get a palindrome (382464283).

The spelling of 200232281 in words is "two hundred million, two hundred thirty-two thousand, two hundred eighty-one".