227212160072 has 16 divisors (see below), whose sum is σ = 426028608060. Its totient is φ = 113604531264.

The previous prime is 227212159997. The next prime is 227212160081. The reversal of 227212160072 is 270061212722.

227212160072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205185444676 + 22026715396 = 452974^2 + 148414^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 642098 + ... + 930974.

Almost surely, 2^227212160072 is an apocalyptic number.

It is an amenable number.

227212160072 is a deficient number, since it is larger than the sum of its proper divisors (198816447988).

227212160072 is a wasteful number, since it uses less digits than its factorization.

227212160072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387200 (or 387196 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 227212160072 its reverse (270061212722), we get a palindrome (497273372794).

The spelling of 227212160072 in words is "two hundred twenty-seven billion, two hundred twelve million, one hundred sixty thousand, seventy-two".