4220434 has 4 divisors (see below), whose sum is σ = 6330654. Its totient is φ = 2110216.

The previous prime is 4220423. The next prime is 4220441. The reversal of 4220434 is 4340224.

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., 4214809 + 5625 = 2053^2 + 75^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055107 + ... + 1055110.

Almost surely, 2^4220434 is an apocalyptic number.

4220434 is a deficient number, since it is larger than the sum of its proper divisors (2110220).

4220434 is a wasteful number, since it uses less digits than its factorization.

4220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110219.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4220434 is about 2054.3694896488. The cubic root of 4220434 is about 161.6040985547.

Adding to 4220434 its reverse (4340224), we get a palindrome (8560658).

The spelling of 4220434 in words is "four million, two hundred twenty thousand, four hundred thirty-four".