34324430221 has 4 divisors (see below), whose sum is σ = 36130979200. Its totient is φ = 32517881244.

The previous prime is 34324430191. The next prime is 34324430263. The reversal of 34324430221 is 12203442343.

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 a de Polignac number, because none of the positive numbers 2^k-34324430221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34324430221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34324430291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903274461 + ... + 903274498.

It is an arithmetic number, because the mean of its divisors is an integer number (9032744800).

Almost surely, 2^34324430221 is an apocalyptic number.

It is an amenable number.

34324430221 is a deficient number, since it is larger than the sum of its proper divisors (1806548979).

34324430221 is a wasteful number, since it uses less digits than its factorization.

34324430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806548978.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 34324430221 its reverse (12203442343), we get a palindrome (46527872564).

The spelling of 34324430221 in words is "thirty-four billion, three hundred twenty-four million, four hundred thirty thousand, two hundred twenty-one".