65220250 has 32 divisors (see below), whose sum is σ = 124952256. Its totient is φ = 25477200.

The previous prime is 65220241. The next prime is 65220251. The reversal of 65220250 is 5202256.

It is not an unprimeable number, because it can be changed into a prime (65220251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7717 + ... + 13783.

It is an arithmetic number, because the mean of its divisors is an integer number (3904758).

Almost surely, 2^65220250 is an apocalyptic number.

65220250 is a deficient number, since it is larger than the sum of its proper divisors (59732006).

65220250 is a wasteful number, since it uses less digits than its factorization.

65220250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127 (or 6117 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 65220250 is about 8075.9055219833. The cubic root of 65220250 is about 402.5261997014.

It can be divided in two parts, 652 and 20250, that added together give a palindrome (20902).

The spelling of 65220250 in words is "sixty-five million, two hundred twenty thousand, two hundred fifty".