34223818 has 4 divisors (see below), whose sum is σ = 51335730. Its totient is φ = 17111908.

The previous prime is 34223803. The next prime is 34223879. The reversal of 34223818 is 81832243.

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

It can be written as a sum of positive squares in only one way, i.e., 33489369 + 734449 = 5787^2 + 857^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 34223818.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8555953 + ... + 8555956.

Almost surely, 2^34223818 is an apocalyptic number.

34223818 is a deficient number, since it is larger than the sum of its proper divisors (17111912).

34223818 is a wasteful number, since it uses less digits than its factorization.

34223818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17111911.

The product of its digits is 9216, while the sum is 31.

The square root of 34223818 is about 5850.1126484881. The cubic root of 34223818 is about 324.6704920700.

The spelling of 34223818 in words is "thirty-four million, two hundred twenty-three thousand, eight hundred eighteen".