422344313 has 8 divisors (see below), whose sum is σ = 437452680. Its totient is φ = 407757168.

The previous prime is 422344283. The next prime is 422344339. The reversal of 422344313 is 313443224.

It can be written as a sum of positive squares in 4 ways, for example, as 22024249 + 400320064 = 4693^2 + 20008^2 .

It is not a de Polignac number, because 422344313 - 2⁸ = 422344057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422344343) 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, 15731 + ... + 33047.

It is an arithmetic number, because the mean of its divisors is an integer number (54681585).

Almost surely, 2^422344313 is an apocalyptic number.

It is an amenable number.

422344313 is a deficient number, since it is larger than the sum of its proper divisors (15108367).

422344313 is an frugal number, since it uses more digits than its factorization.

422344313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17404 (or 17346 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 422344313 is about 20551.0173227507. The cubic root of 422344313 is about 750.2780083432.

Adding to 422344313 its reverse (313443224), we get a palindrome (735787537).

The spelling of 422344313 in words is "four hundred twenty-two million, three hundred forty-four thousand, three hundred thirteen".