242421132 has 24 divisors (see below), whose sum is σ = 568814400. Its totient is φ = 80354896.

The previous prime is 242421131. The next prime is 242421169. The reversal of 242421132 is 231124242.

242421132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×242421132² = 117536010480322848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 242421099 and 242421108.

It is not an unprimeable number, because it can be changed into a prime (242421131) 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, 54282 + ... + 58577.

It is an arithmetic number, because the mean of its divisors is an integer number (23700600).

Almost surely, 2^242421132 is an apocalyptic number.

It is an amenable number.

242421132 is an abundant number, since it is smaller than the sum of its proper divisors (326393268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242421132 is a wasteful number, since it uses less digits than its factorization.

242421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113045 (or 113043 counting only the distinct ones).

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

The square root of 242421132 is about 15569.8789976030. The cubic root of 242421132 is about 623.5292410103.

Adding to 242421132 its reverse (231124242), we get a palindrome (473545374).

The spelling of 242421132 in words is "two hundred forty-two million, four hundred twenty-one thousand, one hundred thirty-two".