66602202 has 16 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 22162112.

The previous prime is 66602197. The next prime is 66602203. The reversal of 66602202 is 20220666.

It is a super-2 number, since 2×66602202² = 8871706622497608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66602203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5802 + ... + 12917.

It is an arithmetic number, because the mean of its divisors is an integer number (8339760).

Almost surely, 2^66602202 is an apocalyptic number.

66602202 is an abundant number, since it is smaller than the sum of its proper divisors (66833958).

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

66602202 is a wasteful number, since it uses less digits than its factorization.

66602202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19317.

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

The square root of 66602202 is about 8161.0172160093. The cubic root of 66602202 is about 405.3493951812.

Adding to 66602202 its reverse (20220666), we get a palindrome (86822868).

The spelling of 66602202 in words is "sixty-six million, six hundred two thousand, two hundred two".