242204291 has 8 divisors (see below), whose sum is σ = 280597344. Its totient is φ = 204759360.

The previous prime is 242204239. The next prime is 242204299. The reversal of 242204291 is 192402242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242204291 - 2²² = 238009987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242204291.

It is not an unprimeable number, because it can be changed into a prime (242204299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236480 + ... + 237501.

It is an arithmetic number, because the mean of its divisors is an integer number (35074668).

Almost surely, 2^242204291 is an apocalyptic number.

242204291 is a deficient number, since it is larger than the sum of its proper divisors (38393053).

242204291 is an equidigital number, since it uses as much as digits as its factorization.

242204291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474061.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 242204291 is about 15562.9139623658. The cubic root of 242204291 is about 623.3432739477.

The spelling of 242204291 in words is "two hundred forty-two million, two hundred four thousand, two hundred ninety-one".