2022646 has 8 divisors (see below), whose sum is σ = 3048984. Its totient is φ = 1006320.

The previous prime is 2022641. The next prime is 2022649. The reversal of 2022646 is 6462202.

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 not an unprimeable number, because it can be changed into a prime (2022641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (381123).

2^2022646 is an apocalyptic number.

2022646 is a deficient number, since it is larger than the sum of its proper divisors (1026338).

2022646 is a wasteful number, since it uses less digits than its factorization.

2022646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006.

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

The square root of 2022646 is about 1422.1975952729. The cubic root of 2022646 is about 126.4658575649.

Adding to 2022646 its reverse (6462202), we get a palindrome (8484848).

The spelling of 2022646 in words is "two million, twenty-two thousand, six hundred forty-six".