422223401 has 2 divisors, whose sum is σ = 422223402. Its totient is φ = 422223400.

The previous prime is 422223359. The next prime is 422223421. The reversal of 422223401 is 104322224.

It is an a-pointer prime, because the next prime (422223421) can be obtained adding 422223401 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409010176 + 13213225 = 20224^2 + 3635^2 .

It is a cyclic number.

It is not a de Polignac number, because 422223401 - 2⁶ = 422223337 is a prime.

It is not a weakly prime, because it can be changed into another prime (422223421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211111700 + 211111701.

It is an arithmetic number, because the mean of its divisors is an integer number (211111701).

Almost surely, 2^422223401 is an apocalyptic number.

It is an amenable number.

422223401 is a deficient number, since it is larger than the sum of its proper divisors (1).

422223401 is an equidigital number, since it uses as much as digits as its factorization.

422223401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422223401 is about 20548.0753599942. The cubic root of 422223401 is about 750.2064030437.

Adding to 422223401 its reverse (104322224), we get a palindrome (526545625).

The spelling of 422223401 in words is "four hundred twenty-two million, two hundred twenty-three thousand, four hundred one".