4220002 has 4 divisors (see below), whose sum is σ = 6330006. Its totient is φ = 2110000.

The previous prime is 4219991. The next prime is 4220039. The reversal of 4220002 is 2000224.

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., 4076361 + 143641 = 2019^2 + 379^2 .

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, 1054999 + ... + 1055002.

Almost surely, 2^4220002 is an apocalyptic number.

4220002 is a deficient number, since it is larger than the sum of its proper divisors (2110004).

4220002 is a wasteful number, since it uses less digits than its factorization.

4220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110003.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4220002 is about 2054.2643452097. The cubic root of 4220002 is about 161.5985844810.

Adding to 4220002 its reverse (2000224), we get a palindrome (6220226).

The spelling of 4220002 in words is "four million, two hundred twenty thousand, two".