234410221 has 4 divisors (see below), whose sum is σ = 236199744. Its totient is φ = 232620700.

The previous prime is 234410173. The next prime is 234410257. The reversal of 234410221 is 122014432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234410221 - 2²⁷ = 100192493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234410521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894565 + ... + 894826.

It is an arithmetic number, because the mean of its divisors is an integer number (59049936).

Almost surely, 2^234410221 is an apocalyptic number.

It is an amenable number.

234410221 is a deficient number, since it is larger than the sum of its proper divisors (1789523).

234410221 is a wasteful number, since it uses less digits than its factorization.

234410221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789522.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 234410221 is about 15310.4611622250. The cubic root of 234410221 is about 616.5839014643.

Adding to 234410221 its reverse (122014432), we get a palindrome (356424653).

The spelling of 234410221 in words is "two hundred thirty-four million, four hundred ten thousand, two hundred twenty-one".