34225991 has 4 divisors (see below), whose sum is σ = 34244184. Its totient is φ = 34207800.

The previous prime is 34225967. The next prime is 34225993. The reversal of 34225991 is 19952243.

34225991 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 an emirpimes, since its reverse is a distinct semiprime: 19952243 = 3119 ⋅6397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34225991 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 (34225993) 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, 5900 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (8561046).

Almost surely, 2^34225991 is an apocalyptic number.

34225991 is a deficient number, since it is larger than the sum of its proper divisors (18193).

34225991 is a wasteful number, since it uses less digits than its factorization.

34225991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18192.

The product of its digits is 19440, while the sum is 35.

The square root of 34225991 is about 5850.2983684595. The cubic root of 34225991 is about 324.6773634449.

The spelling of 34225991 in words is "thirty-four million, two hundred twenty-five thousand, nine hundred ninety-one".