242422331 has 4 divisors (see below), whose sum is σ = 243571464. Its totient is φ = 241273200.

The previous prime is 242422319. The next prime is 242422337. The reversal of 242422331 is 133224242.

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 242422331 - 2¹⁰ = 242421307 is a prime.

It is a super-2 number, since 2×242422331² = 117537173134947122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242422297 and 242422306.

It is not an unprimeable number, because it can be changed into a prime (242422337) 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, 574250 + ... + 574671.

It is an arithmetic number, because the mean of its divisors is an integer number (60892866).

Almost surely, 2^242422331 is an apocalyptic number.

242422331 is a deficient number, since it is larger than the sum of its proper divisors (1149133).

242422331 is a wasteful number, since it uses less digits than its factorization.

242422331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149132.

The product of its digits is 2304, while the sum is 23.

The square root of 242422331 is about 15569.9175013871. The cubic root of 242422331 is about 623.5302689877.

Adding to 242422331 its reverse (133224242), we get a palindrome (375646573).

The spelling of 242422331 in words is "two hundred forty-two million, four hundred twenty-two thousand, three hundred thirty-one".