65222960 has 80 divisors (see below), whose sum is σ = 166944672. Its totient is φ = 23500800.

The previous prime is 65222947. The next prime is 65223017. The reversal of 65222960 is 6922256.

It is a happy number.

65222960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×65222960² = 8508069022323200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120290 + ... + 120830.

Almost surely, 2^65222960 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 65222960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83472336).

65222960 is an abundant number, since it is smaller than the sum of its proper divisors (101721712).

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

65222960 is a wasteful number, since it uses less digits than its factorization.

65222960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 65222960 is about 8076.0733032830. The cubic root of 65222960 is about 402.5317748149.

The spelling of 65222960 in words is "sixty-five million, two hundred twenty-two thousand, nine hundred sixty".