64112217 has 16 divisors (see below), whose sum is σ = 92207808. Its totient is φ = 39389760.

The previous prime is 64112207. The next prime is 64112239. The reversal of 64112217 is 71221146.

64112217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64112217 - 2⁸ = 64111961 is a prime.

It is a super-2 number, since 2×64112217² = 8220752737310178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64112207) 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 15 ways as a sum of consecutive naturals, for example, 37023 + ... + 38715.

It is an arithmetic number, because the mean of its divisors is an integer number (5762988).

Almost surely, 2^64112217 is an apocalyptic number.

It is an amenable number.

64112217 is a deficient number, since it is larger than the sum of its proper divisors (28095591).

64112217 is a wasteful number, since it uses less digits than its factorization.

64112217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its digits is 672, while the sum is 24.

The square root of 64112217 is about 8007.0104908137. The cubic root of 64112217 is about 400.2336489106.

The spelling of 64112217 in words is "sixty-four million, one hundred twelve thousand, two hundred seventeen".