422864441 has 2 divisors, whose sum is σ = 422864442. Its totient is φ = 422864440.

The previous prime is 422864423. The next prime is 422864461. The reversal of 422864441 is 144468224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386515600 + 36348841 = 19660^2 + 6029^2 .

It is a cyclic number.

It is not a de Polignac number, because 422864441 - 2²² = 418670137 is a prime.

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, 211432220 + 211432221.

It is an arithmetic number, because the mean of its divisors is an integer number (211432221).

Almost surely, 2^422864441 is an apocalyptic number.

It is an amenable number.

422864441 is a deficient number, since it is larger than the sum of its proper divisors (1).

422864441 is an equidigital number, since it uses as much as digits as its factorization.

422864441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 35.

The square root of 422864441 is about 20563.6679850653. The cubic root of 422864441 is about 750.5858776181.

The spelling of 422864441 in words is "four hundred twenty-two million, eight hundred sixty-four thousand, four hundred forty-one".