242202233957 has 2 divisors, whose sum is σ = 242202233958. Its totient is φ = 242202233956.

The previous prime is 242202233881. The next prime is 242202234013. The reversal of 242202233957 is 759332202242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236926536001 + 5275697956 = 486751^2 + 72634^2 .

It is a cyclic number.

It is not a de Polignac number, because 242202233957 - 2⁸ = 242202233701 is a prime.

It is a super-2 number, since 2×242202233957² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242202233557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121101116978 + 121101116979.

It is an arithmetic number, because the mean of its divisors is an integer number (121101116979).

Almost surely, 2^242202233957 is an apocalyptic number.

It is an amenable number.

242202233957 is a deficient number, since it is larger than the sum of its proper divisors (1).

242202233957 is an equidigital number, since it uses as much as digits as its factorization.

242202233957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 242202233957 in words is "two hundred forty-two billion, two hundred two million, two hundred thirty-three thousand, nine hundred fifty-seven".