242217475 has 6 divisors (see below), whose sum is σ = 300349700. Its totient is φ = 193773960.

The previous prime is 242217467. The next prime is 242217487. The reversal of 242217475 is 574712242.

It is not a de Polignac number, because 242217475 - 2³ = 242217467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242217475.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4844325 + ... + 4844374.

Almost surely, 2^242217475 is an apocalyptic number.

242217475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242217475 is a deficient number, since it is larger than the sum of its proper divisors (58132225).

242217475 is an equidigital number, since it uses as much as digits as its factorization.

242217475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9688709 (or 9688704 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 242217475 is about 15563.3375276642. The cubic root of 242217475 is about 623.3545839712.

The spelling of 242217475 in words is "two hundred forty-two million, two hundred seventeen thousand, four hundred seventy-five".