242200457 has 2 divisors, whose sum is σ = 242200458. Its totient is φ = 242200456.

The previous prime is 242200433. The next prime is 242200459. The reversal of 242200457 is 754002242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237807241 + 4393216 = 15421^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 242200457 - 2¹⁸ = 241938313 is a prime.

It is a super-2 number, since 2×242200457² = 117322122742017698, which contains 22 as substring.

Together with 242200459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242200459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121100228 + 121100229.

It is an arithmetic number, because the mean of its divisors is an integer number (121100229).

Almost surely, 2^242200457 is an apocalyptic number.

It is an amenable number.

242200457 is a deficient number, since it is larger than the sum of its proper divisors (1).

242200457 is an equidigital number, since it uses as much as digits as its factorization.

242200457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 242200457 is about 15562.7907844319. The cubic root of 242200457 is about 623.3399848363.

Adding to 242200457 its reverse (754002242), we get a palindrome (996202699).

The spelling of 242200457 in words is "two hundred forty-two million, two hundred thousand, four hundred fifty-seven".