422773573 has 2 divisors, whose sum is σ = 422773574. Its totient is φ = 422773572.

The previous prime is 422773537. The next prime is 422773597. The reversal of 422773573 is 375377224.

Together with previous prime (422773537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370254564 + 52519009 = 19242^2 + 7247^2 .

It is a cyclic number.

It is not a de Polignac number, because 422773573 - 2⁹ = 422773061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422773523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211386786 + 211386787.

It is an arithmetic number, because the mean of its divisors is an integer number (211386787).

Almost surely, 2^422773573 is an apocalyptic number.

It is an amenable number.

422773573 is a deficient number, since it is larger than the sum of its proper divisors (1).

422773573 is an equidigital number, since it uses as much as digits as its factorization.

422773573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 40.

The square root of 422773573 is about 20561.4584356266. The cubic root of 422773573 is about 750.5321100929.

The spelling of 422773573 in words is "four hundred twenty-two million, seven hundred seventy-three thousand, five hundred seventy-three".