82213141 has 4 divisors (see below), whose sum is σ = 82967500. Its totient is φ = 81458784.

The previous prime is 82213121. The next prime is 82213193. The reversal of 82213141 is 14131228.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25150225 + 57062916 = 5015^2 + 7554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82213141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82213121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377016 + ... + 377233.

It is an arithmetic number, because the mean of its divisors is an integer number (20741875).

Almost surely, 2^82213141 is an apocalyptic number.

It is an amenable number.

82213141 is a deficient number, since it is larger than the sum of its proper divisors (754359).

82213141 is a wasteful number, since it uses less digits than its factorization.

82213141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754358.

The product of its digits is 384, while the sum is 22.

The square root of 82213141 is about 9067.1462434440. The cubic root of 82213141 is about 434.8242404406.

Adding to 82213141 its reverse (14131228), we get a palindrome (96344369).

The spelling of 82213141 in words is "eighty-two million, two hundred thirteen thousand, one hundred forty-one".