34253221 has 4 divisors (see below), whose sum is σ = 34265952. Its totient is φ = 34240492.

The previous prime is 34253209. The next prime is 34253227. The reversal of 34253221 is 12235243.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12235243 = 59 ⋅207377.

It is a cyclic number.

It is not a de Polignac number, because 34253221 - 2⁵ = 34253189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34253192 and 34253201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34253227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571 + ... + 8296.

It is an arithmetic number, because the mean of its divisors is an integer number (8566488).

Almost surely, 2^34253221 is an apocalyptic number.

It is an amenable number.

34253221 is a deficient number, since it is larger than the sum of its proper divisors (12731).

34253221 is an equidigital number, since it uses as much as digits as its factorization.

34253221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12730.

The product of its digits is 1440, while the sum is 22.

The square root of 34253221 is about 5852.6251374917. The cubic root of 34253221 is about 324.7634444297.

Adding to 34253221 its reverse (12235243), we get a palindrome (46488464).

The spelling of 34253221 in words is "thirty-four million, two hundred fifty-three thousand, two hundred twenty-one".