82214147 has 4 divisors (see below), whose sum is σ = 82366656. Its totient is φ = 82061640.

The previous prime is 82214141. The next prime is 82214161. The reversal of 82214147 is 74141228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82214147 - 2⁴ = 82214131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82214141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75443 + ... + 76524.

It is an arithmetic number, because the mean of its divisors is an integer number (20591664).

Almost surely, 2^82214147 is an apocalyptic number.

82214147 is a deficient number, since it is larger than the sum of its proper divisors (152509).

82214147 is a wasteful number, since it uses less digits than its factorization.

82214147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152508.

The product of its digits is 3584, while the sum is 29.

The square root of 82214147 is about 9067.2017182811. The cubic root of 82214147 is about 434.8260140070.

The spelling of 82214147 in words is "eighty-two million, two hundred fourteen thousand, one hundred forty-seven".