660022002 has 12 divisors (see below), whose sum is σ = 1430047710. Its totient is φ = 220007328.

The previous prime is 660021997. The next prime is 660022079. The reversal of 660022002 is 200220066.

660022002 is a `hidden beast` number, since 660 + 0 + 2 + 2 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 586559961 + 73462041 = 24219^2 + 8571^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 36667889 = 660022002 / (6 + 6 + 0 + 0 + 2 + 2 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18333927 + ... + 18333962.

Almost surely, 2^660022002 is an apocalyptic number.

660022002 is an abundant number, since it is smaller than the sum of its proper divisors (770025708).

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

660022002 is a wasteful number, since it uses less digits than its factorization.

660022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36667897 (or 36667894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 660022002 is about 25690.8933671058. The cubic root of 660022002 is about 870.6684438756.

Adding to 660022002 its reverse (200220066), we get a palindrome (860242068).

The spelling of 660022002 in words is "six hundred sixty million, twenty-two thousand, two".