422864461 has 2 divisors, whose sum is σ = 422864462. Its totient is φ = 422864460.

The previous prime is 422864441. The next prime is 422864471. The reversal of 422864461 is 164468224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417998025 + 4866436 = 20445^2 + 2206^2 .

It is a cyclic number.

It is not a de Polignac number, because 422864461 - 2²⁷ = 288646733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422864461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422864401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211432230 + 211432231.

It is an arithmetic number, because the mean of its divisors is an integer number (211432231).

Almost surely, 2^422864461 is an apocalyptic number.

It is an amenable number.

422864461 is a deficient number, since it is larger than the sum of its proper divisors (1).

422864461 is an equidigital number, since it uses as much as digits as its factorization.

422864461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 37.

The square root of 422864461 is about 20563.6684713599. The cubic root of 422864461 is about 750.5858894515.

The spelling of 422864461 in words is "four hundred twenty-two million, eight hundred sixty-four thousand, four hundred sixty-one".