227638269 has 16 divisors (see below), whose sum is σ = 341408640. Its totient is φ = 151757388.

The previous prime is 227638267. The next prime is 227638277. The reversal of 227638269 is 962836722.

227638269 is a `hidden beast` number, since 2 + 2 + 7 + 638 + 2 + 6 + 9 = 666.

It is not a de Polignac number, because 227638269 - 2¹ = 227638267 is a prime.

It is a super-2 number, since 2×227638269² = 103638363026632722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227638267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49857 + ... + 54230.

It is an arithmetic number, because the mean of its divisors is an integer number (21338040).

Almost surely, 2^227638269 is an apocalyptic number.

It is an amenable number.

227638269 is a deficient number, since it is larger than the sum of its proper divisors (113770371).

227638269 is an frugal number, since it uses more digits than its factorization.

227638269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104108 (or 104090 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 227638269 is about 15087.6860054814. The cubic root of 227638269 is about 610.5882250296.

The spelling of 227638269 in words is "two hundred twenty-seven million, six hundred thirty-eight thousand, two hundred sixty-nine".