65922012 has 168 divisors, whose sum is σ = 195375936. Its totient is φ = 19315584.

The previous prime is 65922007. The next prime is 65922013. The reversal of 65922012 is 21022956.

65922012 is a `hidden beast` number, since 659 + 2 + 2 + 0 + 1 + 2 = 666.

It is a super-2 number, since 2×65922012² = 8691423332256288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65922013) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1402573 + ... + 1402619.

It is an arithmetic number, because the mean of its divisors is an integer number (1162952).

Almost surely, 2^65922012 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 65922012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97687968).

65922012 is an abundant number, since it is smaller than the sum of its proper divisors (129453924).

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

65922012 is a wasteful number, since it uses less digits than its factorization.

65922012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 65922012 is about 8119.2371562851. The cubic root of 65922012 is about 403.9647634529.

Adding to 65922012 its reverse (21022956), we get a palindrome (86944968).

The spelling of 65922012 in words is "sixty-five million, nine hundred twenty-two thousand, twelve".