242267479 has 4 divisors (see below), whose sum is σ = 250621560. Its totient is φ = 233913400.

The previous prime is 242267477. The next prime is 242267497. The reversal of 242267479 is 974762242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242267479 - 2¹ = 242267477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242267471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176997 + ... + 4177054.

It is an arithmetic number, because the mean of its divisors is an integer number (62655390).

Almost surely, 2^242267479 is an apocalyptic number.

242267479 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

242267479 is a deficient number, since it is larger than the sum of its proper divisors (8354081).

242267479 is an equidigital number, since it uses as much as digits as its factorization.

242267479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354080.

The product of its digits is 338688, while the sum is 43.

The square root of 242267479 is about 15564.9439125234. The cubic root of 242267479 is about 623.3974766621.

The spelling of 242267479 in words is "two hundred forty-two million, two hundred sixty-seven thousand, four hundred seventy-nine".