228448736109720 has 384 divisors, whose sum is σ = 907427044036800. Its totient is φ = 50943271680000.

The previous prime is 228448736109697. The next prime is 228448736109739. The reversal of 228448736109720 is 27901637844822.

It is a happy number.

228448736109720 is a `hidden beast` number, since 2 + 2 + 8 + 4 + 4 + 8 + 7 + 3 + 610 + 9 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50475031 + ... + 54814470.

Almost surely, 2^{228448736109720} is an apocalyptic number.

228448736109720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228448736109720 is an abundant number, since it is smaller than the sum of its proper divisors (678978307927080).

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

228448736109720 is a wasteful number, since it uses less digits than its factorization.

228448736109720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105289576 (or 105289559 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 228448736109720 in words is "two hundred twenty-eight trillion, four hundred forty-eight billion, seven hundred thirty-six million, one hundred nine thousand, seven hundred twenty".