82227705 has 16 divisors (see below), whose sum is σ = 150359424. Its totient is φ = 37589760.

The previous prime is 82227697. The next prime is 82227707. The reversal of 82227705 is 50772228.

It is not a de Polignac number, because 82227705 - 2³ = 82227697 is a prime.

It is a super-2 number, since 2×82227705² = 13522790939134050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82227707) 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, 391456 + ... + 391665.

It is an arithmetic number, because the mean of its divisors is an integer number (9397464).

Almost surely, 2^82227705 is an apocalyptic number.

It is an amenable number.

82227705 is a deficient number, since it is larger than the sum of its proper divisors (68131719).

82227705 is a wasteful number, since it uses less digits than its factorization.

82227705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783136.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 82227705 is about 9067.9493271632. The cubic root of 82227705 is about 434.8499151939.

The spelling of 82227705 in words is "eighty-two million, two hundred twenty-seven thousand, seven hundred five".