65222305332 has 24 divisors (see below), whose sum is σ = 161137460736. Its totient is φ = 20461899648.

The previous prime is 65222305331. The next prime is 65222305363. The reversal of 65222305332 is 23350322256.

It is a happy number.

It is a super-2 number, since 2×65222305332² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65222305293 and 65222305302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65222305331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159858388 + ... + 159858795.

It is an arithmetic number, because the mean of its divisors is an integer number (6714060864).

Almost surely, 2^65222305332 is an apocalyptic number.

It is an amenable number.

65222305332 is an abundant number, since it is smaller than the sum of its proper divisors (95915155404).

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

65222305332 is a wasteful number, since it uses less digits than its factorization.

65222305332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319717207 (or 319717205 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 65222305332 its reverse (23350322256), we get a palindrome (88572627588).

The spelling of 65222305332 in words is "sixty-five billion, two hundred twenty-two million, three hundred five thousand, three hundred thirty-two".