65012222 has 8 divisors (see below), whose sum is σ = 106383672. Its totient is φ = 29551000.

The previous prime is 65012221. The next prime is 65012231. The reversal of 65012222 is 22221056.

65012222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 65012194 and 65012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477529 + ... + 1477572.

It is an arithmetic number, because the mean of its divisors is an integer number (13297959).

Almost surely, 2^65012222 is an apocalyptic number.

65012222 is a deficient number, since it is larger than the sum of its proper divisors (41371450).

65012222 is a wasteful number, since it uses less digits than its factorization.

65012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955114.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 65012222 is about 8063.0156889343. The cubic root of 65012222 is about 402.0977749515.

Adding to 65012222 its reverse (22221056), we get a palindrome (87233278).

The spelling of 65012222 in words is "sixty-five million, twelve thousand, two hundred twenty-two".