242218427 has 8 divisors (see below), whose sum is σ = 269224560. Its totient is φ = 216043360.

The previous prime is 242218393. The next prime is 242218429. The reversal of 242218427 is 724812242.

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 242218427 - 2²⁶ = 175109563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242218393 and 242218402.

It is not an unprimeable number, because it can be changed into a prime (242218429) 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, 207152 + ... + 208317.

It is an arithmetic number, because the mean of its divisors is an integer number (33653070).

Almost surely, 2^242218427 is an apocalyptic number.

242218427 is a deficient number, since it is larger than the sum of its proper divisors (27006133).

242218427 is a wasteful number, since it uses less digits than its factorization.

242218427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415533.

The product of its digits is 14336, while the sum is 32.

The square root of 242218427 is about 15563.3681123335. The cubic root of 242218427 is about 623.3554006378.

The spelling of 242218427 in words is "two hundred forty-two million, two hundred eighteen thousand, four hundred twenty-seven".