422234401 has 2 divisors, whose sum is σ = 422234402. Its totient is φ = 422234400.

The previous prime is 422234347. The next prime is 422234443. The reversal of 422234401 is 104432224.

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., 389470225 + 32764176 = 19735^2 + 5724^2 .

It is a cyclic number.

It is not a de Polignac number, because 422234401 - 2⁷ = 422234273 is a prime.

It is not a weakly prime, because it can be changed into another prime (422234471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211117200 + 211117201.

It is an arithmetic number, because the mean of its divisors is an integer number (211117201).

Almost surely, 2^422234401 is an apocalyptic number.

It is an amenable number.

422234401 is a deficient number, since it is larger than the sum of its proper divisors (1).

422234401 is an equidigital number, since it uses as much as digits as its factorization.

422234401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 422234401 is about 20548.3430232221. The cubic root of 422234401 is about 750.2129179193.

Adding to 422234401 its reverse (104432224), we get a palindrome (526666625).

The spelling of 422234401 in words is "four hundred twenty-two million, two hundred thirty-four thousand, four hundred one".