286227225 has 36 divisors (see below), whose sum is σ = 514410156. Its totient is φ = 152135040.

The previous prime is 286227223. The next prime is 286227257. The reversal of 286227225 is 522722682.

286227225 is a `hidden beast` number, since 2 + 8 + 622 + 7 + 2 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 14768649 + 271458576 = 3843^2 + 16476^2 .

It is not a de Polignac number, because 286227225 - 2¹ = 286227223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 286227225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286227223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69319 + ... + 73331.

It is an arithmetic number, because the mean of its divisors is an integer number (14289171).

Almost surely, 2^286227225 is an apocalyptic number.

286227225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

286227225 is a deficient number, since it is larger than the sum of its proper divisors (228182931).

286227225 is a wasteful number, since it uses less digits than its factorization.

286227225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346 (or 4338 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 286227225 is about 16918.2512394160. The cubic root of 286227225 is about 659.0276660248.

The spelling of 286227225 in words is "two hundred eighty-six million, two hundred twenty-seven thousand, two hundred twenty-five".