34444320221 has 8 divisors (see below), whose sum is σ = 36266210400. Its totient is φ = 32623333200.

The previous prime is 34444320217. The next prime is 34444320247. The reversal of 34444320221 is 12202344443.

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

It is a cyclic number.

It is not a de Polignac number, because 34444320221 - 2² = 34444320217 is a prime.

It is a super-2 number, since 2×34444320221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34444320271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146786 + ... + 300723.

It is an arithmetic number, because the mean of its divisors is an integer number (4533276300).

Almost surely, 2^34444320221 is an apocalyptic number.

It is an amenable number.

34444320221 is a deficient number, since it is larger than the sum of its proper divisors (1821890179).

34444320221 is a wasteful number, since it uses less digits than its factorization.

34444320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451579.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 34444320221 its reverse (12202344443), we get a palindrome (46646664664).

The spelling of 34444320221 in words is "thirty-four billion, four hundred forty-four million, three hundred twenty thousand, two hundred twenty-one".