422550617 has 2 divisors, whose sum is σ = 422550618. Its totient is φ = 422550616.

The previous prime is 422550613. The next prime is 422550629. The reversal of 422550617 is 716055224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225120016 + 197430601 = 15004^2 + 14051^2 .

It is a cyclic number.

It is not a de Polignac number, because 422550617 - 2² = 422550613 is a prime.

It is not a weakly prime, because it can be changed into another prime (422550613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211275308 + 211275309.

It is an arithmetic number, because the mean of its divisors is an integer number (211275309).

Almost surely, 2^422550617 is an apocalyptic number.

It is an amenable number.

422550617 is a deficient number, since it is larger than the sum of its proper divisors (1).

422550617 is an equidigital number, since it uses as much as digits as its factorization.

422550617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 422550617 is about 20556.0360235139. The cubic root of 422550617 is about 750.4001520961.

The spelling of 422550617 in words is "four hundred twenty-two million, five hundred fifty thousand, six hundred seventeen".