45222313 has 2 divisors, whose sum is σ = 45222314. Its totient is φ = 45222312.

The previous prime is 45222311. The next prime is 45222323. The reversal of 45222313 is 31322254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36144144 + 9078169 = 6012^2 + 3013^2 .

It is a cyclic number.

It is not a de Polignac number, because 45222313 - 2¹ = 45222311 is a prime.

Together with 45222311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45222311) 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, 22611156 + 22611157.

It is an arithmetic number, because the mean of its divisors is an integer number (22611157).

Almost surely, 2^45222313 is an apocalyptic number.

It is an amenable number.

45222313 is a deficient number, since it is larger than the sum of its proper divisors (1).

45222313 is an equidigital number, since it uses as much as digits as its factorization.

45222313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 22.

The square root of 45222313 is about 6724.7537501384. The cubic root of 45222313 is about 356.2741045350.

Adding to 45222313 its reverse (31322254), we get a palindrome (76544567).

The spelling of 45222313 in words is "forty-five million, two hundred twenty-two thousand, three hundred thirteen".