42224442313 has 4 divisors (see below), whose sum is σ = 42659745940. Its totient is φ = 41789138688.

The previous prime is 42224442301. The next prime is 42224442317. The reversal of 42224442313 is 31324442224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15468643129 + 26755799184 = 124373^2 + 163572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42224442313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42224442317) 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, 217651668 + ... + 217651861.

It is an arithmetic number, because the mean of its divisors is an integer number (10664936485).

Almost surely, 2^42224442313 is an apocalyptic number.

It is an amenable number.

42224442313 is a deficient number, since it is larger than the sum of its proper divisors (435303627).

42224442313 is an equidigital number, since it uses as much as digits as its factorization.

42224442313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435303626.

The product of its digits is 36864, while the sum is 31.

Adding to 42224442313 its reverse (31324442224), we get a palindrome (73548884537).

The spelling of 42224442313 in words is "forty-two billion, two hundred twenty-four million, four hundred forty-two thousand, three hundred thirteen".