82210345 has 16 divisors (see below), whose sum is σ = 112894848. Its totient is φ = 56298240.

The previous prime is 82210339. The next prime is 82210361. The reversal of 82210345 is 54301228.

It is not a de Polignac number, because 82210345 - 2⁷ = 82210217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44490 + ... + 46300.

It is an arithmetic number, because the mean of its divisors is an integer number (7055928).

Almost surely, 2^82210345 is an apocalyptic number.

It is an amenable number.

82210345 is a deficient number, since it is larger than the sum of its proper divisors (30684503).

82210345 is a wasteful number, since it uses less digits than its factorization.

82210345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 82210345 is about 9066.9920591120. The cubic root of 82210345 is about 434.8193110488.

The spelling of 82210345 in words is "eighty-two million, two hundred ten thousand, three hundred forty-five".