242188201 has 8 divisors (see below), whose sum is σ = 243656000. Its totient is φ = 240725520.

The previous prime is 242188181. The next prime is 242188211. The reversal of 242188201 is 102881242.

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 242188201 - 2⁹ = 242187689 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 242188201.

It is not an unprimeable number, because it can be changed into a prime (242188211) 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, 131356 + ... + 133186.

It is an arithmetic number, because the mean of its divisors is an integer number (30457000).

Almost surely, 2^242188201 is an apocalyptic number.

It is an amenable number.

242188201 is a deficient number, since it is larger than the sum of its proper divisors (1467799).

242188201 is a wasteful number, since it uses less digits than its factorization.

242188201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 242188201 is about 15562.3970197396. The cubic root of 242188201 is about 623.3294704277.

The spelling of 242188201 in words is "two hundred forty-two million, one hundred eighty-eight thousand, two hundred one".