434223422221 has 16 divisors (see below), whose sum is σ = 456931381248. Its totient is φ = 411849068400.

The previous prime is 434223422219. The next prime is 434223422249. The reversal of 434223422221 is 122224322434.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 434223422221 - 2¹ = 434223422219 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 (434223422201) 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, 1150080 + ... + 1480246.

It is an arithmetic number, because the mean of its divisors is an integer number (28558211328).

Almost surely, 2^434223422221 is an apocalyptic number.

It is an amenable number.

434223422221 is a deficient number, since it is larger than the sum of its proper divisors (22707959027).

434223422221 is a wasteful number, since it uses less digits than its factorization.

434223422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330672.

The product of its digits is 36864, while the sum is 31.

Adding to 434223422221 its reverse (122224322434), we get a palindrome (556447744655).

It can be divided in two parts, 43422 and 3422221, that added together give a palindrome (3465643).

The spelling of 434223422221 in words is "four hundred thirty-four billion, two hundred twenty-three million, four hundred twenty-two thousand, two hundred twenty-one".