222320473 has 2 divisors, whose sum is σ = 222320474. Its totient is φ = 222320472.

The previous prime is 222320419. The next prime is 222320479. The reversal of 222320473 is 374023222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192432384 + 29888089 = 13872^2 + 5467^2 .

It is a cyclic number.

It is not a de Polignac number, because 222320473 - 2²⁵ = 188766041 is a prime.

It is not a weakly prime, because it can be changed into another prime (222320479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160236 + 111160237.

It is an arithmetic number, because the mean of its divisors is an integer number (111160237).

Almost surely, 2^222320473 is an apocalyptic number.

It is an amenable number.

222320473 is a deficient number, since it is larger than the sum of its proper divisors (1).

222320473 is an equidigital number, since it uses as much as digits as its factorization.

222320473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 222320473 is about 14910.4149170974. The cubic root of 222320473 is about 605.7961178806.

Adding to 222320473 its reverse (374023222), we get a palindrome (596343695).

The spelling of 222320473 in words is "two hundred twenty-two million, three hundred twenty thousand, four hundred seventy-three".