242422131 has 8 divisors (see below), whose sum is σ = 369405184. Its totient is φ = 138526920.

The previous prime is 242422111. The next prime is 242422133. The reversal of 242422131 is 131224242.

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

It is not a de Polignac number, because 242422131 - 2⁶ = 242422067 is a prime.

It is a super-2 number, since 2×242422131² = 117536979197162322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11543911 = 242422131 / (2 + 4 + 2 + 4 + 2 + 2 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242422098 and 242422107.

It is not an unprimeable number, because it can be changed into a prime (242422133) 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, 5771935 + ... + 5771976.

It is an arithmetic number, because the mean of its divisors is an integer number (46175648).

Almost surely, 2^242422131 is an apocalyptic number.

242422131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242422131 is a deficient number, since it is larger than the sum of its proper divisors (126983053).

242422131 is a wasteful number, since it uses less digits than its factorization.

242422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543921.

The product of its digits is 768, while the sum is 21.

The square root of 242422131 is about 15569.9110787442. The cubic root of 242422131 is about 623.5300975155.

Adding to 242422131 its reverse (131224242), we get a palindrome (373646373).

The spelling of 242422131 in words is "two hundred forty-two million, four hundred twenty-two thousand, one hundred thirty-one".