34218442 has 4 divisors (see below), whose sum is σ = 51327666. Its totient is φ = 17109220.

The previous prime is 34218421. The next prime is 34218461. The reversal of 34218442 is 24481243.

It is a happy number.

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., 25918281 + 8300161 = 5091^2 + 2881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34218442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8554609 + ... + 8554612.

Almost surely, 2^34218442 is an apocalyptic number.

34218442 is a deficient number, since it is larger than the sum of its proper divisors (17109224).

34218442 is a wasteful number, since it uses less digits than its factorization.

34218442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17109223.

The product of its digits is 6144, while the sum is 28.

The square root of 34218442 is about 5849.6531521108. The cubic root of 34218442 is about 324.6534910449.

Adding to 34218442 its reverse (24481243), we get a palindrome (58699685).

The spelling of 34218442 in words is "thirty-four million, two hundred eighteen thousand, four hundred forty-two".