82214905 has 8 divisors (see below), whose sum is σ = 99907200. Its totient is φ = 64939056.

The previous prime is 82214897. The next prime is 82214911. The reversal of 82214905 is 50941228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82214905 - 2³ = 82214897 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103675 + ... + 104464.

It is an arithmetic number, because the mean of its divisors is an integer number (12488400).

Almost surely, 2^82214905 is an apocalyptic number.

It is an amenable number.

82214905 is a deficient number, since it is larger than the sum of its proper divisors (17692295).

82214905 is a wasteful number, since it uses less digits than its factorization.

82214905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208223.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 82214905 is about 9067.2435171887. The cubic root of 82214905 is about 434.8273503428.

The spelling of 82214905 in words is "eighty-two million, two hundred fourteen thousand, nine hundred five".