34220213 has 4 divisors (see below), whose sum is σ = 34481568. Its totient is φ = 33958860.

The previous prime is 34220189. The next prime is 34220231. The reversal of 34220213 is 31202243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31202243 = 89 ⋅350587.

It is a cyclic number.

It is not a de Polignac number, because 34220213 - 2⁸ = 34219957 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 34220191 and 34220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34220513) 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, 130481 + ... + 130742.

It is an arithmetic number, because the mean of its divisors is an integer number (8620392).

Almost surely, 2^34220213 is an apocalyptic number.

It is an amenable number.

34220213 is a deficient number, since it is larger than the sum of its proper divisors (261355).

34220213 is a wasteful number, since it uses less digits than its factorization.

34220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261354.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34220213 is about 5849.8045266487. The cubic root of 34220213 is about 324.6590918397.

Adding to 34220213 its reverse (31202243), we get a palindrome (65422456).

The spelling of 34220213 in words is "thirty-four million, two hundred twenty thousand, two hundred thirteen".