422100473 has 2 divisors, whose sum is σ = 422100474. Its totient is φ = 422100472.

The previous prime is 422100391. The next prime is 422100479. The reversal of 422100473 is 374001224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212343184 + 209757289 = 14572^2 + 14483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422100473 is a prime.

It is not a weakly prime, because it can be changed into another prime (422100479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211050236 + 211050237.

It is an arithmetic number, because the mean of its divisors is an integer number (211050237).

Almost surely, 2^422100473 is an apocalyptic number.

It is an amenable number.

422100473 is a deficient number, since it is larger than the sum of its proper divisors (1).

422100473 is an equidigital number, since it uses as much as digits as its factorization.

422100473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 422100473 is about 20545.0839131895. The cubic root of 422100473 is about 750.1335898332.

Adding to 422100473 its reverse (374001224), we get a palindrome (796101697).

The spelling of 422100473 in words is "four hundred twenty-two million, one hundred thousand, four hundred seventy-three".