4220662 has 8 divisors (see below), whose sum is σ = 6354216. Its totient is φ = 2102592.

The previous prime is 4220659. The next prime is 4220687. The reversal of 4220662 is 2660224.

It is a happy number.

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

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 3163 + ... + 4294.

It is an arithmetic number, because the mean of its divisors is an integer number (794277).

Almost surely, 2^4220662 is an apocalyptic number.

4220662 is a deficient number, since it is larger than the sum of its proper divisors (2133554).

4220662 is a wasteful number, since it uses less digits than its factorization.

4220662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4220662 is about 2054.4249803777. The cubic root of 4220662 is about 161.6070086086.

Adding to 4220662 its reverse (2660224), we get a palindrome (6880886).

The spelling of 4220662 in words is "four million, two hundred twenty thousand, six hundred sixty-two".