473344020221 has 2 divisors, whose sum is σ = 473344020222. Its totient is φ = 473344020220.

The previous prime is 473344020209. The next prime is 473344020229. The reversal of 473344020221 is 122020443374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452006114596 + 21337905625 = 672314^2 + 146075^2 .

It is a cyclic number.

It is not a de Polignac number, because 473344020221 - 2¹⁴ = 473344003837 is a prime.

It is a super-2 number, since 2×473344020221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473344020229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236672010110 + 236672010111.

It is an arithmetic number, because the mean of its divisors is an integer number (236672010111).

Almost surely, 2^473344020221 is an apocalyptic number.

It is an amenable number.

473344020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

473344020221 is an equidigital number, since it uses as much as digits as its factorization.

473344020221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 473344020221 its reverse (122020443374), we get a palindrome (595364463595).

The spelling of 473344020221 in words is "four hundred seventy-three billion, three hundred forty-four million, twenty thousand, two hundred twenty-one".