422660461 has 2 divisors, whose sum is σ = 422660462. Its totient is φ = 422660460.

The previous prime is 422660389. The next prime is 422660533. The reversal of 422660461 is 164066224.

It is a balanced prime because it is at equal distance from previous prime (422660389) and next prime (422660533).

It can be written as a sum of positive squares in only one way, i.e., 391802436 + 30858025 = 19794^2 + 5555^2 .

It is a cyclic number.

It is not a de Polignac number, because 422660461 - 2¹⁹ = 422136173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422664461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211330230 + 211330231.

It is an arithmetic number, because the mean of its divisors is an integer number (211330231).

Almost surely, 2^422660461 is an apocalyptic number.

It is an amenable number.

422660461 is a deficient number, since it is larger than the sum of its proper divisors (1).

422660461 is an equidigital number, since it uses as much as digits as its factorization.

422660461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 422660461 is about 20558.7076685282. The cubic root of 422660461 is about 750.4651698001.

The spelling of 422660461 in words is "four hundred twenty-two million, six hundred sixty thousand, four hundred sixty-one".