228112449905664 has 99 divisors (see below), whose sum is σ = 658673935401027. Its totient is φ = 76036999993344.

The previous prime is 228112449905657. The next prime is 228112449905687. The reversal of 228112449905664 is 466509944211822.

The square root of 228112449905664 is 15103392.

It is a perfect power (a square), and thus also a powerful number.

228112449905664 is a `hidden beast` number, since 2 + 2 + 8 + 1 + 1 + 24 + 49 + 9 + 0 + 566 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1449846969 + ... + 1450004295.

Almost surely, 2^{228112449905664} is an apocalyptic number.

228112449905664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

228112449905664 is the 15103392-nd square number.

It is an amenable number.

228112449905664 is an abundant number, since it is smaller than the sum of its proper divisors (430561485495363).

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

228112449905664 is an frugal number, since it uses more digits than its factorization.

228112449905664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314680 (or 157332 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 228112449905664 in words is "two hundred twenty-eight trillion, one hundred twelve billion, four hundred forty-nine million, nine hundred five thousand, six hundred sixty-four".