242274187 has 8 divisors (see below), whose sum is σ = 261918800. Its totient is φ = 223318944.

The previous prime is 242274163. The next prime is 242274199. The reversal of 242274187 is 781472242.

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 242274187 - 2⁷ = 242274059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (242274107) 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, 171612 + ... + 173017.

It is an arithmetic number, because the mean of its divisors is an integer number (32739850).

Almost surely, 2^242274187 is an apocalyptic number.

242274187 is a deficient number, since it is larger than the sum of its proper divisors (19644613).

242274187 is a wasteful number, since it uses less digits than its factorization.

242274187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344685.

The product of its digits is 50176, while the sum is 37.

The square root of 242274187 is about 15565.1593952648. The cubic root of 242274187 is about 623.4032302362.

The spelling of 242274187 in words is "two hundred forty-two million, two hundred seventy-four thousand, one hundred eighty-seven".