422013401 has 4 divisors (see below), whose sum is σ = 429975972. Its totient is φ = 414050832.

The previous prime is 422013373. The next prime is 422013439. The reversal of 422013401 is 104310224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 310605376 + 111408025 = 17624^2 + 10555^2 .

It is a cyclic number.

It is not a de Polignac number, because 422013401 - 2¹⁰ = 422012377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422013401.

It is not an unprimeable number, because it can be changed into a prime (422013461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3981206 + ... + 3981311.

It is an arithmetic number, because the mean of its divisors is an integer number (107493993).

Almost surely, 2^422013401 is an apocalyptic number.

It is an amenable number.

422013401 is a deficient number, since it is larger than the sum of its proper divisors (7962571).

422013401 is an equidigital number, since it uses as much as digits as its factorization.

422013401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962570.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 422013401 is about 20542.9647568213. The cubic root of 422013401 is about 750.0820064403.

Adding to 422013401 its reverse (104310224), we get a palindrome (526323625).

The spelling of 422013401 in words is "four hundred twenty-two million, thirteen thousand, four hundred one".