65227266 has 96 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 17874432.

The previous prime is 65227237. The next prime is 65227301. The reversal of 65227266 is 66272256.

65227266 is a `hidden beast` number, since 6 + 522 + 72 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 65227266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75151 + ... + 76013.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^65227266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65227266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

65227266 is an abundant number, since it is smaller than the sum of its proper divisors (104600574).

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

65227266 is a wasteful number, since it uses less digits than its factorization.

65227266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 917 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 65227266 is about 8076.3398888358. The cubic root of 65227266 is about 402.5406329618.

The spelling of 65227266 in words is "sixty-five million, two hundred twenty-seven thousand, two hundred sixty-six".