228004466648 has 16 divisors (see below), whose sum is σ = 488581000080. Its totient is φ = 97716199968.

The previous prime is 228004466639. The next prime is 228004466731. The reversal of 228004466648 is 846664400822.

It is a super-2 number, since 2×228004466648² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228004466596 and 228004466605.

It is a congruent number.

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, 2035754111 + ... + 2035754222.

It is an arithmetic number, because the mean of its divisors is an integer number (30536312505).

Almost surely, 2^228004466648 is an apocalyptic number.

228004466648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228004466648 is an abundant number, since it is smaller than the sum of its proper divisors (260576533432).

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

228004466648 is a wasteful number, since it uses less digits than its factorization.

228004466648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071508346 (or 4071508342 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 50.

The spelling of 228004466648 in words is "two hundred twenty-eight billion, four million, four hundred sixty-six thousand, six hundred forty-eight".