422541401 has 2 divisors, whose sum is σ = 422541402. Its totient is φ = 422541400.

The previous prime is 422541389. The next prime is 422541403. The reversal of 422541401 is 104145224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267289801 + 155251600 = 16349^2 + 12460^2 .

It is a cyclic number.

It is not a de Polignac number, because 422541401 - 2¹⁸ = 422279257 is a prime.

Together with 422541403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422541403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211270700 + 211270701.

It is an arithmetic number, because the mean of its divisors is an integer number (211270701).

Almost surely, 2^422541401 is an apocalyptic number.

It is an amenable number.

422541401 is a deficient number, since it is larger than the sum of its proper divisors (1).

422541401 is an equidigital number, since it uses as much as digits as its factorization.

422541401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 422541401 is about 20555.8118545583. The cubic root of 422541401 is about 750.3946965460.

Adding to 422541401 its reverse (104145224), we get a palindrome (526686625).

The spelling of 422541401 in words is "four hundred twenty-two million, five hundred forty-one thousand, four hundred one".