434233221 has 16 divisors (see below), whose sum is σ = 608460864. Its totient is φ = 275111424.

The previous prime is 434233199. The next prime is 434233223. The reversal of 434233221 is 122332434.

It is not a de Polignac number, because 434233221 - 2⁶ = 434233157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434233191 and 434233200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434233223) 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 15 ways as a sum of consecutive naturals, for example, 40716 + ... + 50261.

It is an arithmetic number, because the mean of its divisors is an integer number (38028804).

Almost surely, 2^434233221 is an apocalyptic number.

It is an amenable number.

434233221 is a deficient number, since it is larger than the sum of its proper divisors (174227643).

434233221 is a wasteful number, since it uses less digits than its factorization.

434233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91060.

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

The square root of 434233221 is about 20838.2633873363. The cubic root of 434233221 is about 757.2530223382.

Adding to 434233221 its reverse (122332434), we get a palindrome (556565655).

The spelling of 434233221 in words is "four hundred thirty-four million, two hundred thirty-three thousand, two hundred twenty-one".