66622002 has 8 divisors (see below), whose sum is σ = 133244016. Its totient is φ = 22207332.

The previous prime is 66622001. The next prime is 66622013. The reversal of 66622002 is 20022666.

66622002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

66622002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66622001) by changing a digit.

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, 5551828 + ... + 5551839.

It is an arithmetic number, because the mean of its divisors is an integer number (16655502).

Almost surely, 2^66622002 is an apocalyptic number.

66622002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66622002 is a wasteful number, since it uses less digits than its factorization.

66622002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103672.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 66622002 is about 8162.2302099365. The cubic root of 66622002 is about 405.3895596331.

Adding to 66622002 its reverse (20022666), we get a palindrome (86644668).

The spelling of 66622002 in words is "sixty-six million, six hundred twenty-two thousand, two".