286238226 has 8 divisors (see below), whose sum is σ = 572476464. Its totient is φ = 95412740.

The previous prime is 286238219. The next prime is 286238233. The reversal of 286238226 is 622832682.

286238226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (286238219) and next prime (286238233).

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

286238226 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23853180 + ... + 23853191.

It is an arithmetic number, because the mean of its divisors is an integer number (71559558).

Almost surely, 2^286238226 is an apocalyptic number.

286238226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286238226 is a wasteful number, since it uses less digits than its factorization.

286238226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47706376.

The product of its digits is 110592, while the sum is 39.

The square root of 286238226 is about 16918.5763585474. The cubic root of 286238226 is about 659.0361090494.

The spelling of 286238226 in words is "two hundred eighty-six million, two hundred thirty-eight thousand, two hundred twenty-six".