422244313 has 4 divisors (see below), whose sum is σ = 428191488. Its totient is φ = 416297140.

The previous prime is 422244311. The next prime is 422244341. The reversal of 422244313 is 313442224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 422244313 - 2¹ = 422244311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422244311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2973481 + ... + 2973622.

It is an arithmetic number, because the mean of its divisors is an integer number (107047872).

Almost surely, 2^422244313 is an apocalyptic number.

It is an amenable number.

422244313 is a deficient number, since it is larger than the sum of its proper divisors (5947175).

422244313 is an equidigital number, since it uses as much as digits as its factorization.

422244313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947174.

The product of its digits is 4608, while the sum is 25.

The square root of 422244313 is about 20548.5842091371. The cubic root of 422244313 is about 750.2187883175.

Adding to 422244313 its reverse (313442224), we get a palindrome (735686537).

The spelling of 422244313 in words is "four hundred twenty-two million, two hundred forty-four thousand, three hundred thirteen".