425422213 has 2 divisors, whose sum is σ = 425422214. Its totient is φ = 425422212.

The previous prime is 425422211. The next prime is 425422223. The reversal of 425422213 is 312224524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421973764 + 3448449 = 20542^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 425422213 - 2¹ = 425422211 is a prime.

Together with 425422211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425422211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212711106 + 212711107.

It is an arithmetic number, because the mean of its divisors is an integer number (212711107).

Almost surely, 2^425422213 is an apocalyptic number.

It is an amenable number.

425422213 is a deficient number, since it is larger than the sum of its proper divisors (1).

425422213 is an equidigital number, since it uses as much as digits as its factorization.

425422213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 25.

The square root of 425422213 is about 20625.7657554817. The cubic root of 425422213 is about 752.0961880177.

Adding to 425422213 its reverse (312224524), we get a palindrome (737646737).

The spelling of 425422213 in words is "four hundred twenty-five million, four hundred twenty-two thousand, two hundred thirteen".