65428706222 has 32 divisors (see below), whose sum is σ = 108159836544. Its totient is φ = 29437765600.

The previous prime is 65428706221. The next prime is 65428706249. The reversal of 65428706222 is 22260782456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65428706221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826097 + ... + 901827.

It is an arithmetic number, because the mean of its divisors is an integer number (3379994892).

Almost surely, 2^65428706222 is an apocalyptic number.

65428706222 is a deficient number, since it is larger than the sum of its proper divisors (42731130322).

65428706222 is a wasteful number, since it uses less digits than its factorization.

65428706222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76144.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 65428706222 in words is "sixty-five billion, four hundred twenty-eight million, seven hundred six thousand, two hundred twenty-two".