228536365 has 8 divisors (see below), whose sum is σ = 277071480. Its totient is φ = 180943872.

The previous prime is 228536353. The next prime is 228536387. The reversal of 228536365 is 563635822.

It can be written as a sum of positive squares in 4 ways, for example, as 1190281 + 227346084 = 1091^2 + 15078^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 228536365 - 2²³ = 220147757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235120 + ... + 236089.

It is an arithmetic number, because the mean of its divisors is an integer number (34633935).

Almost surely, 2^228536365 is an apocalyptic number.

It is an amenable number.

228536365 is a deficient number, since it is larger than the sum of its proper divisors (48535115).

228536365 is an equidigital number, since it uses as much as digits as its factorization.

228536365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471311.

The product of its digits is 259200, while the sum is 40.

The square root of 228536365 is about 15117.4192572674. The cubic root of 228536365 is about 611.3901512149.

The spelling of 228536365 in words is "two hundred twenty-eight million, five hundred thirty-six thousand, three hundred sixty-five".