65226312 has 48 divisors (see below), whose sum is σ = 178240140. Its totient is φ = 21547008.

The previous prime is 65226289. The next prime is 65226319. The reversal of 65226312 is 21362256.

65226312 is a `hidden beast` number, since 6 + 5 + 22 + 631 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60000516 + 5225796 = 7746^2 + 2286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65226319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4128 + ... + 12144.

Almost surely, 2^65226312 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 65226312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89120070).

65226312 is an abundant number, since it is smaller than the sum of its proper divisors (113013828).

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

65226312 is a wasteful number, since it uses less digits than its factorization.

65226312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142 (or 8135 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 65226312 is about 8076.2808272125. The cubic root of 65226312 is about 402.5386704613.

Adding to 65226312 its reverse (21362256), we get a palindrome (86588568).

The spelling of 65226312 in words is "sixty-five million, two hundred twenty-six thousand, three hundred twelve".