65212214 has 16 divisors (see below), whose sum is σ = 99967488. Its totient is φ = 31897152.

The previous prime is 65212211. The next prime is 65212223. The reversal of 65212214 is 41221256.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65212214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16784 + ... + 20300.

It is an arithmetic number, because the mean of its divisors is an integer number (6247968).

Almost surely, 2^65212214 is an apocalyptic number.

65212214 is a deficient number, since it is larger than the sum of its proper divisors (34755274).

65212214 is a wasteful number, since it uses less digits than its factorization.

65212214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719.

The product of its digits is 960, while the sum is 23.

The square root of 65212214 is about 8075.4079773099. The cubic root of 65212214 is about 402.5096668331.

The spelling of 65212214 in words is "sixty-five million, two hundred twelve thousand, two hundred fourteen".