65011222 has 8 divisors (see below), whose sum is σ = 97572672. Its totient is φ = 32487000.

The previous prime is 65011201. The next prime is 65011223. The reversal of 65011222 is 22211056.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65011223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4429 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (12196584).

Almost surely, 2^65011222 is an apocalyptic number.

65011222 is a deficient number, since it is larger than the sum of its proper divisors (32561450).

65011222 is a wasteful number, since it uses less digits than its factorization.

65011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18614.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 65011222 is about 8062.9536771583. The cubic root of 65011222 is about 402.0957132887.

Adding to 65011222 its reverse (22211056), we get a palindrome (87222278).

The spelling of 65011222 in words is "sixty-five million, eleven thousand, two hundred twenty-two".