65224568 has 16 divisors (see below), whose sum is σ = 128733000. Its totient is φ = 30895776.

The previous prime is 65224553. The next prime is 65224571. The reversal of 65224568 is 86542256.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214403 + ... + 214706.

Almost surely, 2^65224568 is an apocalyptic number.

It is an amenable number.

65224568 is a deficient number, since it is larger than the sum of its proper divisors (63508432).

65224568 is a wasteful number, since it uses less digits than its factorization.

65224568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429134 (or 429130 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 65224568 is about 8076.1728560005. The cubic root of 65224568 is about 402.5350827798.

The spelling of 65224568 in words is "sixty-five million, two hundred twenty-four thousand, five hundred sixty-eight".