34218223 has 8 divisors (see below), whose sum is σ = 37046016. Its totient is φ = 31418400.

The previous prime is 34218199. The next prime is 34218251. The reversal of 34218223 is 32281243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34218223 - 2²¹ = 32121071 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 (34218253) 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 7 ways as a sum of consecutive naturals, for example, 4408 + ... + 9373.

It is an arithmetic number, because the mean of its divisors is an integer number (4630752).

Almost surely, 2^34218223 is an apocalyptic number.

34218223 is a deficient number, since it is larger than the sum of its proper divisors (2827793).

34218223 is a wasteful number, since it uses less digits than its factorization.

34218223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13985.

The product of its digits is 2304, while the sum is 25.

The square root of 34218223 is about 5849.6344330223. The cubic root of 34218223 is about 324.6527984431.

Adding to 34218223 its reverse (32281243), we get a palindrome (66499466).

The spelling of 34218223 in words is "thirty-four million, two hundred eighteen thousand, two hundred twenty-three".