227816638156 has 6 divisors (see below), whose sum is σ = 398679116780. Its totient is φ = 113908319076.

The previous prime is 227816638151. The next prime is 227816638157. The reversal of 227816638156 is 651836618722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 227816638097 and 227816638106.

It is not an unprimeable number, because it can be changed into a prime (227816638151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28477079766 + ... + 28477079773.

Almost surely, 2^227816638156 is an apocalyptic number.

It is an amenable number.

227816638156 is a deficient number, since it is larger than the sum of its proper divisors (170862478624).

227816638156 is a wasteful number, since it uses less digits than its factorization.

227816638156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56954159543 (or 56954159541 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 227816638156 in words is "two hundred twenty-seven billion, eight hundred sixteen million, six hundred thirty-eight thousand, one hundred fifty-six".