422306345 has 8 divisors (see below), whose sum is σ = 520464264. Its totient is φ = 328713984.

The previous prime is 422306341. The next prime is 422306359. The reversal of 422306345 is 543603224.

It can be written as a sum of positive squares in 4 ways, for example, as 42680089 + 379626256 = 6533^2 + 19484^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 422306345 - 2² = 422306341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422306341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141184 + ... + 1141553.

It is an arithmetic number, because the mean of its divisors is an integer number (65058033).

Almost surely, 2^422306345 is an apocalyptic number.

It is an amenable number.

422306345 is a deficient number, since it is larger than the sum of its proper divisors (98157919).

422306345 is a wasteful number, since it uses less digits than its factorization.

422306345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282779.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 422306345 is about 20550.0935520985. The cubic root of 422306345 is about 750.2555247847.

Adding to 422306345 its reverse (543603224), we get a palindrome (965909569).

The spelling of 422306345 in words is "four hundred twenty-two million, three hundred six thousand, three hundred forty-five".