82214715 has 16 divisors (see below), whose sum is σ = 143502336. Its totient is φ = 39861600.

The previous prime is 82214711. The next prime is 82214723. The reversal of 82214715 is 51741228.

It is not a de Polignac number, because 82214715 - 2² = 82214711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82214711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248971 + ... + 249300.

It is an arithmetic number, because the mean of its divisors is an integer number (8968896).

Almost surely, 2^82214715 is an apocalyptic number.

82214715 is a deficient number, since it is larger than the sum of its proper divisors (61287621).

82214715 is a wasteful number, since it uses less digits than its factorization.

82214715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498290.

The product of its digits is 4480, while the sum is 30.

The square root of 82214715 is about 9067.2330399080. The cubic root of 82214715 is about 434.8270153781.

The spelling of 82214715 in words is "eighty-two million, two hundred fourteen thousand, seven hundred fifteen".