234424421 has 8 divisors (see below), whose sum is σ = 292269504. Its totient is φ = 182668320.

The previous prime is 234424397. The next prime is 234424427. The reversal of 234424421 is 124424432.

It is a happy number.

234424421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 234424421 - 2²⁶ = 167315557 is a prime.

It is a super-2 number, since 2×234424421² = 109909618322370482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234424427) 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, 1522160 + ... + 1522313.

It is an arithmetic number, because the mean of its divisors is an integer number (36533688).

Almost surely, 2^234424421 is an apocalyptic number.

It is an amenable number.

234424421 is a deficient number, since it is larger than the sum of its proper divisors (57845083).

234424421 is a wasteful number, since it uses less digits than its factorization.

234424421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044491.

The product of its digits is 6144, while the sum is 26.

The square root of 234424421 is about 15310.9248904173. The cubic root of 234424421 is about 616.5963515963.

Adding to 234424421 its reverse (124424432), we get a palindrome (358848853).

The spelling of 234424421 in words is "two hundred thirty-four million, four hundred twenty-four thousand, four hundred twenty-one".