242274479 has 8 divisors (see below), whose sum is σ = 256583040. Its totient is φ = 228280536.

The previous prime is 242274469. The next prime is 242274481. The reversal of 242274479 is 974472242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242274479 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 (242274469) 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, 77069 + ... + 80150.

It is an arithmetic number, because the mean of its divisors is an integer number (32072880).

Almost surely, 2^242274479 is an apocalyptic number.

242274479 is a deficient number, since it is larger than the sum of its proper divisors (14308561).

242274479 is a wasteful number, since it uses less digits than its factorization.

242274479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157309.

The product of its digits is 225792, while the sum is 41.

The square root of 242274479 is about 15565.1687751852. The cubic root of 242274479 is about 623.4034806876.

The spelling of 242274479 in words is "two hundred forty-two million, two hundred seventy-four thousand, four hundred seventy-nine".