66202022 has 8 divisors (see below), whose sum is σ = 100214400. Its totient is φ = 32797224.

The previous prime is 66202013. The next prime is 66202049. The reversal of 66202022 is 22020266.

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 = 66201985 and 66202003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151622 + ... + 152057.

It is an arithmetic number, because the mean of its divisors is an integer number (12526800).

Almost surely, 2^66202022 is an apocalyptic number.

66202022 is a deficient number, since it is larger than the sum of its proper divisors (34012378).

66202022 is a wasteful number, since it uses less digits than its factorization.

66202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303790.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 66202022 is about 8136.4624991454. The cubic root of 66202022 is about 404.5359150934.

Adding to 66202022 its reverse (22020266), we get a palindrome (88222288).

The spelling of 66202022 in words is "sixty-six million, two hundred two thousand, twenty-two".