224638005220 has 12 divisors (see below), whose sum is σ = 471739811004. Its totient is φ = 89855202080.

The previous prime is 224638005211. The next prime is 224638005289. The reversal of 224638005220 is 22500836422.

It can be written as a sum of positive squares in 2 ways, for example, as 149020705024 + 75617300196 = 386032^2 + 274986^2 .

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, 5615950111 + ... + 5615950150.

It is an arithmetic number, because the mean of its divisors is an integer number (39311650917).

Almost surely, 2^224638005220 is an apocalyptic number.

224638005220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224638005220 is an abundant number, since it is smaller than the sum of its proper divisors (247101805784).

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

224638005220 is a wasteful number, since it uses less digits than its factorization.

224638005220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231900270 (or 11231900268 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 224638005220 in words is "two hundred twenty-four billion, six hundred thirty-eight million, five thousand, two hundred twenty".