4224450220973 has 2 divisors, whose sum is σ = 4224450220974. Its totient is φ = 4224450220972.

The previous prime is 4224450220967. The next prime is 4224450221011. The reversal of 4224450220973 is 3790220544224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3393266094724 + 831184126249 = 1842082^2 + 911693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4224450220973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4224450220273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112225110486 + 2112225110487.

It is an arithmetic number, because the mean of its divisors is an integer number (2112225110487).

Almost surely, 2^{4224450220973} is an apocalyptic number.

It is an amenable number.

4224450220973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224450220973 is an equidigital number, since it uses as much as digits as its factorization.

4224450220973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 4224450220973 in words is "four trillion, two hundred twenty-four billion, four hundred fifty million, two hundred twenty thousand, nine hundred seventy-three".