6601122 has 32 divisors (see below), whose sum is σ = 16004160. Its totient is φ = 2000160.

The previous prime is 6601093. The next prime is 6601129. The reversal of 6601122 is 2211066.

It is a happy number.

6601122 is a `hidden beast` number, since 660 + 1 + 1 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6601095 and 6601104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601129) 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 15 ways as a sum of consecutive naturals, for example, 4963 + ... + 6150.

It is an arithmetic number, because the mean of its divisors is an integer number (500130).

Almost surely, 2^6601122 is an apocalyptic number.

6601122 is an abundant number, since it is smaller than the sum of its proper divisors (9403038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6601122 is a wasteful number, since it uses less digits than its factorization.

6601122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135 (or 11129 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 6601122 is about 2569.2648754070. The cubic root of 6601122 is about 187.5883743400.

Adding to 6601122 its reverse (2211066), we get a palindrome (8812188).

The spelling of 6601122 in words is "six million, six hundred one thousand, one hundred twenty-two".