228355465648 has 20 divisors (see below), whose sum is σ = 446497788880. Its totient is φ = 113130229824.

The previous prime is 228355465631. The next prime is 228355465673. The reversal of 228355465648 is 846564553822.

It is a super-3 number, since 3×228355465648³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228355465592 and 228355465601.

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, 65467140 + ... + 65470627.

It is an arithmetic number, because the mean of its divisors is an integer number (22324889444).

Almost surely, 2^228355465648 is an apocalyptic number.

It is an amenable number.

228355465648 is a deficient number, since it is larger than the sum of its proper divisors (218142323232).

228355465648 is a wasteful number, since it uses less digits than its factorization.

228355465648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130937884 (or 130937878 counting only the distinct ones).

The product of its digits is 55296000, while the sum is 58.

The spelling of 228355465648 in words is "two hundred twenty-eight billion, three hundred fifty-five million, four hundred sixty-five thousand, six hundred forty-eight".