422316305 has 8 divisors (see below), whose sum is σ = 508584744. Its totient is φ = 336649600.

The previous prime is 422316269. The next prime is 422316319. The reversal of 422316305 is 503613224.

It can be written as a sum of positive squares in 4 ways, for example, as 9048064 + 413268241 = 3008^2 + 20329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422316305 - 2⁸ = 422316049 is a prime.

It is a super-2 number, since 2×422316305² = 356702122937706050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148886 + ... + 151695.

It is an arithmetic number, because the mean of its divisors is an integer number (63573093).

Almost surely, 2^422316305 is an apocalyptic number.

It is an amenable number.

422316305 is a deficient number, since it is larger than the sum of its proper divisors (86268439).

422316305 is a wasteful number, since it uses less digits than its factorization.

422316305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300867.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 422316305 is about 20550.3358853329. The cubic root of 422316305 is about 750.2614229409.

Adding to 422316305 its reverse (503613224), we get a palindrome (925929529).

The spelling of 422316305 in words is "four hundred twenty-two million, three hundred sixteen thousand, three hundred five".