228537356 has 12 divisors (see below), whose sum is σ = 405573840. Its totient is φ = 112659120.

The previous prime is 228537347. The next prime is 228537373. The reversal of 228537356 is 653735822.

228537356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402071 + ... + 402638.

It is an arithmetic number, because the mean of its divisors is an integer number (33797820).

Almost surely, 2^228537356 is an apocalyptic number.

It is an amenable number.

228537356 is a deficient number, since it is larger than the sum of its proper divisors (177036484).

228537356 is a wasteful number, since it uses less digits than its factorization.

228537356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804784 (or 804782 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 228537356 is about 15117.4520339904. The cubic root of 228537356 is about 611.3910349353.

The spelling of 228537356 in words is "two hundred twenty-eight million, five hundred thirty-seven thousand, three hundred fifty-six".