65221022572 has 12 divisors (see below), whose sum is σ = 115313458120. Its totient is φ = 32274320256.

The previous prime is 65221022549. The next prime is 65221022623. The reversal of 65221022572 is 27522012256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84047322 + ... + 84048097.

Almost surely, 2^65221022572 is an apocalyptic number.

It is an amenable number.

65221022572 is a deficient number, since it is larger than the sum of its proper divisors (50092435548).

65221022572 is a wasteful number, since it uses less digits than its factorization.

65221022572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168095520 (or 168095518 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 65221022572 in words is "sixty-five billion, two hundred twenty-one million, twenty-two thousand, five hundred seventy-two".