65143207642222 has 16 divisors (see below), whose sum is σ = 97755387840000. Its totient is φ = 32558081176152.

The previous prime is 65143207642217. The next prime is 65143207642301. The reversal of 65143207642222 is 22224670234156.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45922023 + ... + 47319325.

It is an arithmetic number, because the mean of its divisors is an integer number (6109711740000).

Almost surely, 2^{65143207642222} is an apocalyptic number.

65143207642222 is a deficient number, since it is larger than the sum of its proper divisors (32612180197778).

65143207642222 is a wasteful number, since it uses less digits than its factorization.

65143207642222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406967.

The product of its (nonzero) digits is 1935360, while the sum is 46.

Adding to 65143207642222 its reverse (22224670234156), we get a palindrome (87367877876378).

The spelling of 65143207642222 in words is "sixty-five trillion, one hundred forty-three billion, two hundred seven million, six hundred forty-two thousand, two hundred twenty-two".