82230181 has 8 divisors (see below), whose sum is σ = 89771904. Its totient is φ = 74699520.

The previous prime is 82230149. The next prime is 82230191. The reversal of 82230181 is 18103228.

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 82230181 - 2⁵ = 82230149 is a prime.

It is a super-2 number, since 2×82230181² = 13523605334585522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82230191) 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, 24645 + ... + 27781.

It is an arithmetic number, because the mean of its divisors is an integer number (11221488).

Almost surely, 2^82230181 is an apocalyptic number.

It is an amenable number.

82230181 is a deficient number, since it is larger than the sum of its proper divisors (7541723).

82230181 is a wasteful number, since it uses less digits than its factorization.

82230181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 82230181 is about 9068.0858509390. The cubic root of 82230181 is about 434.8542798119.

The spelling of 82230181 in words is "eighty-two million, two hundred thirty thousand, one hundred eighty-one".