84227141 has 2 divisors, whose sum is σ = 84227142. Its totient is φ = 84227140.

The previous prime is 84227131. The next prime is 84227159. The reversal of 84227141 is 14172248.

84227141 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77704225 + 6522916 = 8815^2 + 2554^2 .

It is a cyclic number.

It is not a de Polignac number, because 84227141 - 2¹⁰ = 84226117 is a prime.

It is a super-2 number, since 2×84227141² = 14188422562067762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84227111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42113570 + 42113571.

It is an arithmetic number, because the mean of its divisors is an integer number (42113571).

Almost surely, 2^84227141 is an apocalyptic number.

It is an amenable number.

84227141 is a deficient number, since it is larger than the sum of its proper divisors (1).

84227141 is an equidigital number, since it uses as much as digits as its factorization.

84227141 is an evil number, because the sum of its binary digits is even.

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

The square root of 84227141 is about 9177.5345817927. The cubic root of 84227141 is about 438.3463080618.

Adding to 84227141 its reverse (14172248), we get a palindrome (98399389).

The spelling of 84227141 in words is "eighty-four million, two hundred twenty-seven thousand, one hundred forty-one".