286222223 has 4 divisors (see below), whose sum is σ = 327111120. Its totient is φ = 245333328.

The previous prime is 286222201. The next prime is 286222241. The reversal of 286222223 is 322222682.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322222682 = 2 ⋅161111341.

It is a cyclic number.

It is not a de Polignac number, because 286222223 - 2⁶ = 286222159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286222273) 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, 20444438 + ... + 20444451.

It is an arithmetic number, because the mean of its divisors is an integer number (81777780).

Almost surely, 2^286222223 is an apocalyptic number.

286222223 is a deficient number, since it is larger than the sum of its proper divisors (40888897).

286222223 is an equidigital number, since it uses as much as digits as its factorization.

286222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40888896.

The product of its digits is 9216, while the sum is 29.

The square root of 286222223 is about 16918.1034102526. The cubic root of 286222223 is about 659.0238270287.

The spelling of 286222223 in words is "two hundred eighty-six million, two hundred twenty-two thousand, two hundred twenty-three".