64882219 has 2 divisors, whose sum is σ = 64882220. Its totient is φ = 64882218.

The previous prime is 64882187. The next prime is 64882267. The reversal of 64882219 is 91228846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64882219 - 2⁵ = 64882187 is a prime.

It is a super-2 number, since 2×64882219² = 8419404684727922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64882819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32441109 + 32441110.

It is an arithmetic number, because the mean of its divisors is an integer number (32441110).

Almost surely, 2^64882219 is an apocalyptic number.

64882219 is a deficient number, since it is larger than the sum of its proper divisors (1).

64882219 is an equidigital number, since it uses as much as digits as its factorization.

64882219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 64882219 is about 8054.9499688080. The cubic root of 64882219 is about 401.8295751283.

The spelling of 64882219 in words is "sixty-four million, eight hundred eighty-two thousand, two hundred nineteen".