242400199 has 2 divisors, whose sum is σ = 242400200. Its totient is φ = 242400198.

The previous prime is 242400181. The next prime is 242400239. The reversal of 242400199 is 991004242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242400199 - 2⁵ = 242400167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242400199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242470199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121200099 + 121200100.

It is an arithmetic number, because the mean of its divisors is an integer number (121200100).

Almost surely, 2^242400199 is an apocalyptic number.

242400199 is a deficient number, since it is larger than the sum of its proper divisors (1).

242400199 is an equidigital number, since it uses as much as digits as its factorization.

242400199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 242400199 is about 15569.2067556443. The cubic root of 242400199 is about 623.5112932992.

The spelling of 242400199 in words is "two hundred forty-two million, four hundred thousand, one hundred ninety-nine".