65223385 has 8 divisors (see below), whose sum is σ = 78674760. Its totient is φ = 51907584.

The previous prime is 65223359. The next prime is 65223391. The reversal of 65223385 is 58332256.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2702736 + 62520649 = 1644^2 + 7907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65223385 - 2¹³ = 65215193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65223385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32830 + ... + 34759.

It is an arithmetic number, because the mean of its divisors is an integer number (9834345).

Almost surely, 2^65223385 is an apocalyptic number.

It is an amenable number.

65223385 is a deficient number, since it is larger than the sum of its proper divisors (13451375).

65223385 is a wasteful number, since it uses less digits than its factorization.

65223385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67787.

The product of its digits is 43200, while the sum is 34.

The square root of 65223385 is about 8076.0996155322. The cubic root of 65223385 is about 402.5326491268.

The spelling of 65223385 in words is "sixty-five million, two hundred twenty-three thousand, three hundred eighty-five".