34221343 has 4 divisors (see below), whose sum is σ = 36853768. Its totient is φ = 31588920.

The previous prime is 34221331. The next prime is 34221353. The reversal of 34221343 is 34312243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34312243 = 7 ⋅4901749.

It is a cyclic number.

It is not a de Polignac number, because 34221343 - 2⁹ = 34220831 is a prime.

It is a super-2 number, since 2×34221343² = 2342200633447298, which 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 (34221353) 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, 1316193 + ... + 1316218.

It is an arithmetic number, because the mean of its divisors is an integer number (9213442).

Almost surely, 2^34221343 is an apocalyptic number.

34221343 is a deficient number, since it is larger than the sum of its proper divisors (2632425).

34221343 is a wasteful number, since it uses less digits than its factorization.

34221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632424.

The product of its digits is 1728, while the sum is 22.

The square root of 34221343 is about 5849.9011102753. The cubic root of 34221343 is about 324.6626653684.

Adding to 34221343 its reverse (34312243), we get a palindrome (68533586).

The spelling of 34221343 in words is "thirty-four million, two hundred twenty-one thousand, three hundred forty-three".