224721385860 has 24 divisors (see below), whose sum is σ = 629219880576. Its totient is φ = 59925702880.

The previous prime is 224721385849. The next prime is 224721385879. The reversal of 224721385860 is 68583127422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872678156 + ... + 1872678275.

It is an arithmetic number, because the mean of its divisors is an integer number (26217495024).

Almost surely, 2^224721385860 is an apocalyptic number.

224721385860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224721385860 is an abundant number, since it is smaller than the sum of its proper divisors (404498494716).

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

224721385860 is a wasteful number, since it uses less digits than its factorization.

224721385860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745356443 (or 3745356441 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 224721385860 in words is "two hundred twenty-four billion, seven hundred twenty-one million, three hundred eighty-five thousand, eight hundred sixty".