227243156168 has 36 divisors (see below), whose sum is σ = 495665735985. Its totient is φ = 97385879136.

The previous prime is 227243156159. The next prime is 227243156219. The reversal of 227243156168 is 861651342722.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 167197574404 + 60045581764 = 408898^2 + 245042^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337078.

It is a super-3 number, since 3×227243156168³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9426146 + ... + 9450222.

Almost surely, 2^227243156168 is an apocalyptic number.

227243156168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

227243156168 is an abundant number, since it is smaller than the sum of its proper divisors (268422579817).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227243156168 is an frugal number, since it uses more digits than its factorization.

227243156168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48174 (or 24086 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 227243156168 in words is "two hundred twenty-seven billion, two hundred forty-three million, one hundred fifty-six thousand, one hundred sixty-eight".