64666222202 has 8 divisors (see below), whose sum is σ = 98365521312. Its totient is φ = 31877715100.

The previous prime is 64666222193. The next prime is 64666222207. The reversal of 64666222202 is 20222266646.

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

It is not an unprimeable number, because it can be changed into a prime (64666222207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227697824 + ... + 227698107.

It is an arithmetic number, because the mean of its divisors is an integer number (12295690164).

Almost surely, 2^64666222202 is an apocalyptic number.

64666222202 is a deficient number, since it is larger than the sum of its proper divisors (33699299110).

64666222202 is a wasteful number, since it uses less digits than its factorization.

64666222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455396004.

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 64666222202 its reverse (20222266646), we get a palindrome (84888488848).

The spelling of 64666222202 in words is "sixty-four billion, six hundred sixty-six million, two hundred twenty-two thousand, two hundred two".