228248339408 has 30 divisors (see below), whose sum is σ = 446837537286. Its totient is φ = 112947557376.

The previous prime is 228248339393. The next prime is 228248339447. The reversal of 228248339408 is 804933842822.

It can be written as a sum of positive squares in 3 ways, for example, as 45382633024 + 182865706384 = 213032^2 + 427628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228248339408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 607535 + ... + 908622.

Almost surely, 2^228248339408 is an apocalyptic number.

It is an amenable number.

228248339408 is a deficient number, since it is larger than the sum of its proper divisors (218589197878).

228248339408 is an equidigital number, since it uses as much as digits as its factorization.

228248339408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516359 (or 1516256 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 53.

The spelling of 228248339408 in words is "two hundred twenty-eight billion, two hundred forty-eight million, three hundred thirty-nine thousand, four hundred eight".