224221355307 has 12 divisors (see below), whose sum is σ = 332183430840. Its totient is φ = 149479263216.

The previous prime is 224221355291. The next prime is 224221355311. The reversal of 224221355307 is 703553122422.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 224221355307 - 2⁴ = 224221355291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224221355377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2414919 + ... + 2506047.

It is an arithmetic number, because the mean of its divisors is an integer number (27681952570).

Almost surely, 2^224221355307 is an apocalyptic number.

224221355307 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

224221355307 is a deficient number, since it is larger than the sum of its proper divisors (107962075533).

224221355307 is an frugal number, since it uses more digits than its factorization.

224221355307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182267 (or 91132 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 224221355307 its reverse (703553122422), we get a palindrome (927774477729).

The spelling of 224221355307 in words is "two hundred twenty-four billion, two hundred twenty-one million, three hundred fifty-five thousand, three hundred seven".