34221151 has 4 divisors (see below), whose sum is σ = 34237152. Its totient is φ = 34205152.

The previous prime is 34221137. The next prime is 34221157. The reversal of 34221151 is 15112243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34221151 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 (34221157) 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, 4186 + ... + 9271.

It is an arithmetic number, because the mean of its divisors is an integer number (8559288).

Almost surely, 2^34221151 is an apocalyptic number.

34221151 is a deficient number, since it is larger than the sum of its proper divisors (16001).

34221151 is a wasteful number, since it uses less digits than its factorization.

34221151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000.

The product of its digits is 240, while the sum is 19.

The square root of 34221151 is about 5849.8846997184. The cubic root of 34221151 is about 324.6620581903.

Adding to 34221151 its reverse (15112243), we get a palindrome (49333394).

The spelling of 34221151 in words is "thirty-four million, two hundred twenty-one thousand, one hundred fifty-one".