82210143 has 4 divisors (see below), whose sum is σ = 109613528. Its totient is φ = 54806760.

The previous prime is 82210111. The next prime is 82210151. The reversal of 82210143 is 34101228.

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

It is not a de Polignac number, because 82210143 - 2⁵ = 82210111 is a prime.

It is a super-2 number, since 2×82210143² = 13517015224160898, 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 (82210103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13701688 + ... + 13701693.

It is an arithmetic number, because the mean of its divisors is an integer number (27403382).

Almost surely, 2^82210143 is an apocalyptic number.

82210143 is a deficient number, since it is larger than the sum of its proper divisors (27403385).

82210143 is a wasteful number, since it uses less digits than its factorization.

82210143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27403384.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 82210143 is about 9066.9809197990. The cubic root of 82210143 is about 434.8189549153.

The spelling of 82210143 in words is "eighty-two million, two hundred ten thousand, one hundred forty-three".