82214215 has 8 divisors (see below), whose sum is σ = 99311328. Its totient is φ = 65335200.

The previous prime is 82214161. The next prime is 82214219. The reversal of 82214215 is 51241228.

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

It is not a de Polignac number, because 82214215 - 2⁷ = 82214087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82214215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82214219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53692 + ... + 55201.

It is an arithmetic number, because the mean of its divisors is an integer number (12413916).

Almost surely, 2^82214215 is an apocalyptic number.

82214215 is a deficient number, since it is larger than the sum of its proper divisors (17097113).

82214215 is a wasteful number, since it uses less digits than its factorization.

82214215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109049.

The product of its digits is 1280, while the sum is 25.

The square root of 82214215 is about 9067.2054680591. The cubic root of 82214215 is about 434.8261338897.

The spelling of 82214215 in words is "eighty-two million, two hundred fourteen thousand, two hundred fifteen".