221234033434 has 8 divisors (see below), whose sum is σ = 331912169568. Its totient is φ = 110596643580.

The previous prime is 221234033387. The next prime is 221234033453. The reversal of 221234033434 is 434330432122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 221234033396 and 221234033405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10172992 + ... + 10194715.

It is an arithmetic number, because the mean of its divisors is an integer number (41489021196).

Almost surely, 2^221234033434 is an apocalyptic number.

221234033434 is a deficient number, since it is larger than the sum of its proper divisors (110678136134).

221234033434 is a wasteful number, since it uses less digits than its factorization.

221234033434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20373140.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 221234033434 its reverse (434330432122), we get a palindrome (655564465556).

The spelling of 221234033434 in words is "two hundred twenty-one billion, two hundred thirty-four million, thirty-three thousand, four hundred thirty-four".