4220746 has 8 divisors (see below), whose sum is σ = 6346080. Its totient is φ = 2105388.

The previous prime is 4220731. The next prime is 4220767. The reversal of 4220746 is 6470224.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4220746.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326 + ... + 3193.

It is an arithmetic number, because the mean of its divisors is an integer number (793260).

Almost surely, 2^4220746 is an apocalyptic number.

4220746 is a deficient number, since it is larger than the sum of its proper divisors (2125334).

4220746 is a wasteful number, since it uses less digits than its factorization.

4220746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 4220746 is about 2054.4454239527. The cubic root of 4220746 is about 161.6080807073.

The spelling of 4220746 in words is "four million, two hundred twenty thousand, seven hundred forty-six".