286221163 has 8 divisors (see below), whose sum is σ = 303275232. Its totient is φ = 269191296.

The previous prime is 286221139. The next prime is 286221191. The reversal of 286221163 is 361122682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286221163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (286221113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22081 + ... + 32557.

It is an arithmetic number, because the mean of its divisors is an integer number (37909404).

Almost surely, 2^286221163 is an apocalyptic number.

286221163 is a deficient number, since it is larger than the sum of its proper divisors (17054069).

286221163 is a wasteful number, since it uses less digits than its factorization.

286221163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12101.

The product of its digits is 6912, while the sum is 31.

The square root of 286221163 is about 16918.0720828350. The cubic root of 286221163 is about 659.0230134812.

It can be divided in two parts, 2862 and 21163, that added together give a square (24025 = 155²).

The spelling of 286221163 in words is "two hundred eighty-six million, two hundred twenty-one thousand, one hundred sixty-three".