822740141 has 4 divisors (see below), whose sum is σ = 823525500. Its totient is φ = 821954784.

The previous prime is 822740089. The next prime is 822740159. The reversal of 822740141 is 141047228.

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 614544100 + 208196041 = 24790^2 + 14429^2 .

It is a cyclic number.

It is not a de Polignac number, because 822740141 - 2¹⁰ = 822739117 is a prime.

It is a super-2 number, since 2×822740141² = 1353802679225399762, 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 (822749141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391106 + ... + 393203.

It is an arithmetic number, because the mean of its divisors is an integer number (205881375).

Almost surely, 2^822740141 is an apocalyptic number.

It is an amenable number.

822740141 is a deficient number, since it is larger than the sum of its proper divisors (785359).

822740141 is a wasteful number, since it uses less digits than its factorization.

822740141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785358.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 822740141 is about 28683.4471603397. The cubic root of 822740141 is about 937.0315824348.

Adding to 822740141 its reverse (141047228), we get a palindrome (963787369).

The spelling of 822740141 in words is "eight hundred twenty-two million, seven hundred forty thousand, one hundred forty-one".