34967221 has 4 divisors (see below), whose sum is σ = 35198944. Its totient is φ = 34735500.

The previous prime is 34967203. The next prime is 34967237. The reversal of 34967221 is 12276943.

34967221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 12276943 = 7 ⋅1753849.

It is a cyclic number.

It is not a de Polignac number, because 34967221 - 2²³ = 26578613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34967281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115635 + ... + 115936.

It is an arithmetic number, because the mean of its divisors is an integer number (8799736).

Almost surely, 2^34967221 is an apocalyptic number.

It is an amenable number.

34967221 is a deficient number, since it is larger than the sum of its proper divisors (231723).

34967221 is a wasteful number, since it uses less digits than its factorization.

34967221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231722.

The product of its digits is 18144, while the sum is 34.

The square root of 34967221 is about 5913.3088030307. The cubic root of 34967221 is about 327.0044826638.

The spelling of 34967221 in words is "thirty-four million, nine hundred sixty-seven thousand, two hundred twenty-one".