227605728 has 96 divisors (see below), whose sum is σ = 685165824. Its totient is φ = 64806912.

The previous prime is 227605727. The next prime is 227605757. The reversal of 227605728 is 827506722.

227605728 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227605727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387451 + ... + 388037.

It is an arithmetic number, because the mean of its divisors is an integer number (7137144).

Almost surely, 2^227605728 is an apocalyptic number.

227605728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227605728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342582912).

227605728 is an abundant number, since it is smaller than the sum of its proper divisors (457560096).

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

227605728 is a wasteful number, since it uses less digits than its factorization.

227605728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 227605728 is about 15086.6075709551. The cubic root of 227605728 is about 610.5591290164.

The spelling of 227605728 in words is "two hundred twenty-seven million, six hundred five thousand, seven hundred twenty-eight".