82606219 has 2 divisors, whose sum is σ = 82606220. Its totient is φ = 82606218.

The previous prime is 82606217. The next prime is 82606241. The reversal of 82606219 is 91260628.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82606219 - 2¹ = 82606217 is a prime.

It is a super-2 number, since 2×82606219² = 13647574834951922, which contains 22 as substring.

Together with 82606217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82606217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41303109 + 41303110.

It is an arithmetic number, because the mean of its divisors is an integer number (41303110).

Almost surely, 2^82606219 is an apocalyptic number.

82606219 is a deficient number, since it is larger than the sum of its proper divisors (1).

82606219 is an equidigital number, since it uses as much as digits as its factorization.

82606219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 82606219 is about 9088.7963449513. The cubic root of 82606219 is about 435.5161337355.

The spelling of 82606219 in words is "eighty-two million, six hundred six thousand, two hundred nineteen".