34022721 has 8 divisors (see below), whose sum is σ = 46589824. Its totient is φ = 22068720.

The previous prime is 34022707. The next prime is 34022731. The reversal of 34022721 is 12722043.

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

It is not a de Polignac number, because 34022721 - 2¹⁰ = 34021697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34022701) 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, 153145 + ... + 153366.

It is an arithmetic number, because the mean of its divisors is an integer number (5823728).

Almost surely, 2^34022721 is an apocalyptic number.

It is an amenable number.

34022721 is a deficient number, since it is larger than the sum of its proper divisors (12567103).

34022721 is a wasteful number, since it uses less digits than its factorization.

34022721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306551.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 34022721 is about 5832.8998791339. The cubic root of 34022721 is about 324.0333279998.

Adding to 34022721 its reverse (12722043), we get a palindrome (46744764).

It can be divided in two parts, 34022 and 721, that added together give a palindrome (34743).

The spelling of 34022721 in words is "thirty-four million, twenty-two thousand, seven hundred twenty-one".