65528226232 has 128 divisors (see below), whose sum is σ = 146913984000. Its totient is φ = 26808122880.

The previous prime is 65528226193. The next prime is 65528226233. The reversal of 65528226232 is 23262282556.

It is a super-2 number, since 2×65528226232² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65528226233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74718178 + ... + 74719054.

It is an arithmetic number, because the mean of its divisors is an integer number (1147765500).

Almost surely, 2^65528226232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65528226232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73456992000).

65528226232 is an abundant number, since it is smaller than the sum of its proper divisors (81385757768).

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

65528226232 is a wasteful number, since it uses less digits than its factorization.

65528226232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1385 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 65528226232 in words is "sixty-five billion, five hundred twenty-eight million, two hundred twenty-six thousand, two hundred thirty-two".