65213222 has 8 divisors (see below), whose sum is σ = 98002272. Its totient is φ = 32545800.

The previous prime is 65213221. The next prime is 65213227. The reversal of 65213222 is 22231256.

65213222 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (65213221) 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, 29054 + ... + 31217.

It is an arithmetic number, because the mean of its divisors is an integer number (12250284).

Almost surely, 2^65213222 is an apocalyptic number.

65213222 is a deficient number, since it is larger than the sum of its proper divisors (32789050).

65213222 is a wasteful number, since it uses less digits than its factorization.

65213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60814.

The product of its digits is 1440, while the sum is 23.

The square root of 65213222 is about 8075.4703887761. The cubic root of 65213222 is about 402.5117407169.

Adding to 65213222 its reverse (22231256), we get a palindrome (87444478).

The spelling of 65213222 in words is "sixty-five million, two hundred thirteen thousand, two hundred twenty-two".