4222646 has 8 divisors (see below), whose sum is σ = 6344760. Its totient is φ = 2107728.

The previous prime is 4222637. The next prime is 4222649. The reversal of 4222646 is 6462224.

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

It is a d-powerful number, because it can be written as 4² + 2¹² + 2¹⁴ + 2²² + 6 + 4³ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222649) by changing a digit.

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, 50 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (793095).

Almost surely, 2^4222646 is an apocalyptic number.

4222646 is a deficient number, since it is larger than the sum of its proper divisors (2122114).

4222646 is a wasteful number, since it uses less digits than its factorization.

4222646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598.

The product of its digits is 4608, while the sum is 26.

The square root of 4222646 is about 2054.9077838190. The cubic root of 4222646 is about 161.6323267600.

The spelling of 4222646 in words is "four million, two hundred twenty-two thousand, six hundred forty-six".