242333421 has 16 divisors (see below), whose sum is σ = 352745280. Its totient is φ = 146760320.

The previous prime is 242333401. The next prime is 242333447. The reversal of 242333421 is 124333242.

It is a cyclic number.

It is not a de Polignac number, because 242333421 - 2⁵ = 242333389 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242333391 and 242333400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242333401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85495 + ... + 88283.

It is an arithmetic number, because the mean of its divisors is an integer number (22046580).

Almost surely, 2^242333421 is an apocalyptic number.

It is an amenable number.

242333421 is a deficient number, since it is larger than the sum of its proper divisors (110411859).

242333421 is a wasteful number, since it uses less digits than its factorization.

242333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436.

The product of its digits is 3456, while the sum is 24.

The square root of 242333421 is about 15567.0620542220. The cubic root of 242333421 is about 623.4540317109.

Adding to 242333421 its reverse (124333242), we get a palindrome (366666663).

The spelling of 242333421 in words is "two hundred forty-two million, three hundred thirty-three thousand, four hundred twenty-one".