86230221 has 16 divisors (see below), whose sum is σ = 143344128. Its totient is φ = 44794800.

The previous prime is 86230201. The next prime is 86230223. The reversal of 86230221 is 12203268.

It is not a de Polignac number, because 86230221 - 2¹³ = 86222029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86230191 and 86230200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86230223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186415 + ... + 186876.

It is an arithmetic number, because the mean of its divisors is an integer number (8959008).

Almost surely, 2^86230221 is an apocalyptic number.

It is an amenable number.

86230221 is a deficient number, since it is larger than the sum of its proper divisors (57113907).

86230221 is a wasteful number, since it uses less digits than its factorization.

86230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373312.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 86230221 is about 9286.0228838831. The cubic root of 86230221 is about 441.7940199653.

Adding to 86230221 its reverse (12203268), we get a palindrome (98433489).

The spelling of 86230221 in words is "eighty-six million, two hundred thirty thousand, two hundred twenty-one".