82214219 has 2 divisors, whose sum is σ = 82214220. Its totient is φ = 82214218.

The previous prime is 82214161. The next prime is 82214243. The reversal of 82214219 is 91241228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82214219 is a prime.

It is a super-2 number, since 2×82214219² = 13518355611559922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 82214191 and 82214200.

It is not a weakly prime, because it can be changed into another prime (82214269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41107109 + 41107110.

It is an arithmetic number, because the mean of its divisors is an integer number (41107110).

Almost surely, 2^82214219 is an apocalyptic number.

82214219 is a deficient number, since it is larger than the sum of its proper divisors (1).

82214219 is an equidigital number, since it uses as much as digits as its factorization.

82214219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 82214219 is about 9067.2056886342. The cubic root of 82214219 is about 434.8261409417.

The spelling of 82214219 in words is "eighty-two million, two hundred fourteen thousand, two hundred nineteen".