242193269 has 2 divisors, whose sum is σ = 242193270. Its totient is φ = 242193268.

The previous prime is 242193251. The next prime is 242193277. The reversal of 242193269 is 962391242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237622225 + 4571044 = 15415^2 + 2138^2 .

It is a cyclic number.

It is not a de Polignac number, because 242193269 - 2¹⁶ = 242127733 is a prime.

It is a super-2 number, since 2×242193269² = 117315159097812722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242193229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121096634 + 121096635.

It is an arithmetic number, because the mean of its divisors is an integer number (121096635).

Almost surely, 2^242193269 is an apocalyptic number.

It is an amenable number.

242193269 is a deficient number, since it is larger than the sum of its proper divisors (1).

242193269 is an equidigital number, since it uses as much as digits as its factorization.

242193269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 242193269 is about 15562.5598472745. The cubic root of 242193269 is about 623.3338183022. Note that the first 3 decimals are identical.

The spelling of 242193269 in words is "two hundred forty-two million, one hundred ninety-three thousand, two hundred sixty-nine".