227938538 has 4 divisors (see below), whose sum is σ = 341907810. Its totient is φ = 113969268.

The previous prime is 227938507. The next prime is 227938547. The reversal of 227938538 is 835839722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 199176769 + 28761769 = 14113^2 + 5363^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 227938492 and 227938501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56984633 + ... + 56984636.

Almost surely, 2^227938538 is an apocalyptic number.

227938538 is a deficient number, since it is larger than the sum of its proper divisors (113969272).

227938538 is a wasteful number, since it uses less digits than its factorization.

227938538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113969271.

The product of its digits is 725760, while the sum is 47.

The square root of 227938538 is about 15097.6335231718. The cubic root of 227938538 is about 610.8565749911.

The spelling of 227938538 in words is "two hundred twenty-seven million, nine hundred thirty-eight thousand, five hundred thirty-eight".