224533908187973 has 2 divisors, whose sum is σ = 224533908187974. Its totient is φ = 224533908187972.

The previous prime is 224533908187969. The next prime is 224533908187991. The reversal of 224533908187973 is 379781809335422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218594539513249 + 5939368674724 = 14784943^2 + 2437082^2 .

It is a cyclic number.

It is not a de Polignac number, because 224533908187973 - 2² = 224533908187969 is a prime.

It is a super-2 number, since 2×224533908187973² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224533908187897 and 224533908187906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224533908187933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112266954093986 + 112266954093987.

It is an arithmetic number, because the mean of its divisors is an integer number (112266954093987).

Almost surely, 2^{224533908187973} is an apocalyptic number.

It is an amenable number.

224533908187973 is a deficient number, since it is larger than the sum of its proper divisors (1).

224533908187973 is an equidigital number, since it uses as much as digits as its factorization.

224533908187973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 548674560, while the sum is 71.

The spelling of 224533908187973 in words is "two hundred twenty-four trillion, five hundred thirty-three billion, nine hundred eight million, one hundred eighty-seven thousand, nine hundred seventy-three".