227312573616 has 160 divisors (see below), whose sum is σ = 687096300800. Its totient is φ = 71753195520.

The previous prime is 227312573591. The next prime is 227312573647. The reversal of 227312573616 is 616375213722.

227312573616 is a `hidden beast` number, since 2 + 2 + 7 + 3 + 1 + 25 + 7 + 3 + 616 = 666.

227312573616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×227312573616² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 28371051 + ... + 28379061.

It is an arithmetic number, because the mean of its divisors is an integer number (4294351880).

Almost surely, 2^227312573616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227312573616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343548150400).

227312573616 is an abundant number, since it is smaller than the sum of its proper divisors (459783727184).

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

227312573616 is a wasteful number, since it uses less digits than its factorization.

227312573616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504 (or 11492 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 227312573616 in words is "two hundred twenty-seven billion, three hundred twelve million, five hundred seventy-three thousand, six hundred sixteen".