6651022 has 8 divisors (see below), whose sum is σ = 11401776. Its totient is φ = 2850432.

The previous prime is 6650993. The next prime is 6651049. The reversal of 6651022 is 2201566.

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

It is a junction number, because it is equal to n+sod(n) for n = 6650984 and 6651002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237523 + ... + 237550.

It is an arithmetic number, because the mean of its divisors is an integer number (1425222).

Almost surely, 2^6651022 is an apocalyptic number.

6651022 is a deficient number, since it is larger than the sum of its proper divisors (4750754).

6651022 is a wasteful number, since it uses less digits than its factorization.

6651022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475082.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 6651022 is about 2578.9575413333. The cubic root of 6651022 is about 188.0598685140.

Adding to 6651022 its reverse (2201566), we get a palindrome (8852588).

The spelling of 6651022 in words is "six million, six hundred fifty-one thousand, twenty-two".