222320100973 has 2 divisors, whose sum is σ = 222320100974. Its totient is φ = 222320100972.

The previous prime is 222320100943. The next prime is 222320101037. The reversal of 222320100973 is 379001023222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222318851049 + 1249924 = 471507^2 + 1118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222320100973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222320100943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160050486 + 111160050487.

It is an arithmetic number, because the mean of its divisors is an integer number (111160050487).

Almost surely, 2^222320100973 is an apocalyptic number.

It is an amenable number.

222320100973 is a deficient number, since it is larger than the sum of its proper divisors (1).

222320100973 is an equidigital number, since it uses as much as digits as its factorization.

222320100973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 222320100973 in words is "two hundred twenty-two billion, three hundred twenty million, one hundred thousand, nine hundred seventy-three".