65244222 has 12 divisors (see below), whose sum is σ = 141362520. Its totient is φ = 21748068.

The previous prime is 65244199. The next prime is 65244241. The reversal of 65244222 is 22244256.

It is a happy number.

65244222 is a `hidden beast` number, since 652 + 4 + 4 + 2 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1812322 + ... + 1812357.

It is an arithmetic number, because the mean of its divisors is an integer number (11780210).

Almost surely, 2^65244222 is an apocalyptic number.

65244222 is an abundant number, since it is smaller than the sum of its proper divisors (76118298).

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

65244222 is a wasteful number, since it uses less digits than its factorization.

65244222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624687 (or 3624684 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 65244222 is about 8077.3895535625. The cubic root of 65244222 is about 402.5755104399.

Adding to 65244222 its reverse (22244256), we get a palindrome (87488478).

The spelling of 65244222 in words is "sixty-five million, two hundred forty-four thousand, two hundred twenty-two".