227078728109352 has 384 divisors, whose sum is σ = 756464261529600. Its totient is φ = 60144333580800.

The previous prime is 227078728109347. The next prime is 227078728109371. The reversal of 227078728109352 is 253901827870722.

227078728109352 is a `hidden beast` number, since 2 + 2 + 70 + 78 + 72 + 81 + 0 + 9 + 352 = 666.

227078728109352 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 2×227078728109352² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 227078728109352.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55570077 + ... + 59516307.

It is an arithmetic number, because the mean of its divisors is an integer number (1969959014400).

Almost surely, 2^{227078728109352} 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 227078728109352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378232130764800).

227078728109352 is an abundant number, since it is smaller than the sum of its proper divisors (529385533420248).

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

227078728109352 is a wasteful number, since it uses less digits than its factorization.

227078728109352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946437 (or 3946430 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

The spelling of 227078728109352 in words is "two hundred twenty-seven trillion, seventy-eight billion, seven hundred twenty-eight million, one hundred nine thousand, three hundred fifty-two".