424222313 has 2 divisors, whose sum is σ = 424222314. Its totient is φ = 424222312.

The previous prime is 424222297. The next prime is 424222319. The reversal of 424222313 is 313222424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270536704 + 153685609 = 16448^2 + 12397^2 .

It is a cyclic number.

It is not a de Polignac number, because 424222313 - 2⁴ = 424222297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (424222319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212111156 + 212111157.

It is an arithmetic number, because the mean of its divisors is an integer number (212111157).

Almost surely, 2^424222313 is an apocalyptic number.

It is an amenable number.

424222313 is a deficient number, since it is larger than the sum of its proper divisors (1).

424222313 is an equidigital number, since it uses as much as digits as its factorization.

424222313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 424222313 is about 20596.6578114023. The cubic root of 424222313 is about 751.3884283990.

Adding to 424222313 its reverse (313222424), we get a palindrome (737444737).

The spelling of 424222313 in words is "four hundred twenty-four million, two hundred twenty-two thousand, three hundred thirteen".