64529685222 has 32 divisors (see below), whose sum is σ = 134870579712. Its totient is φ = 20562646944.

The previous prime is 64529685217. The next prime is 64529685223. The reversal of 64529685222 is 22258692546.

64529685222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64529685223) 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, 2648673 + ... + 2672924.

It is an arithmetic number, because the mean of its divisors is an integer number (4214705616).

Almost surely, 2^64529685222 is an apocalyptic number.

64529685222 is an abundant number, since it is smaller than the sum of its proper divisors (70340894490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64529685222 is a wasteful number, since it uses less digits than its factorization.

64529685222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321692.

The product of its digits is 4147200, while the sum is 51.

The spelling of 64529685222 in words is "sixty-four billion, five hundred twenty-nine million, six hundred eighty-five thousand, two hundred twenty-two".