42022313 has 2 divisors, whose sum is σ = 42022314. Its totient is φ = 42022312.

The previous prime is 42022307. The next prime is 42022339. The reversal of 42022313 is 31322024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34199104 + 7823209 = 5848^2 + 2797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42022313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42022291 and 42022300.

It is not a weakly prime, because it can be changed into another prime (42022913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21011156 + 21011157.

It is an arithmetic number, because the mean of its divisors is an integer number (21011157).

Almost surely, 2^42022313 is an apocalyptic number.

It is an amenable number.

42022313 is a deficient number, since it is larger than the sum of its proper divisors (1).

42022313 is an equidigital number, since it uses as much as digits as its factorization.

42022313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42022313 is about 6482.4619551525. The cubic root of 42022313 is about 347.6642096090.

Adding to 42022313 its reverse (31322024), we get a palindrome (73344337).

The spelling of 42022313 in words is "forty-two million, twenty-two thousand, three hundred thirteen".