65220322 has 4 divisors (see below), whose sum is σ = 97830486. Its totient is φ = 32610160.

The previous prime is 65220319. The next prime is 65220377. The reversal of 65220322 is 22302256.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39200121 + 26020201 = 6261^2 + 5101^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 65220293 and 65220302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16305079 + ... + 16305082.

Almost surely, 2^65220322 is an apocalyptic number.

65220322 is a deficient number, since it is larger than the sum of its proper divisors (32610164).

65220322 is a wasteful number, since it uses less digits than its factorization.

65220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32610163.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 65220322 is about 8075.9099796865. The cubic root of 65220322 is about 402.5263478245.

Adding to 65220322 its reverse (22302256), we get a palindrome (87522578).

The spelling of 65220322 in words is "sixty-five million, two hundred twenty thousand, three hundred twenty-two".