422043401 has 8 divisors (see below), whose sum is σ = 454682760. Its totient is φ = 389428992.

The previous prime is 422043367. The next prime is 422043407. The reversal of 422043401 is 104340224.

It can be written as a sum of positive squares in 4 ways, for example, as 33362176 + 388681225 = 5776^2 + 19715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422043401 - 2¹⁴ = 422027017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422043407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43841 + ... + 52593.

It is an arithmetic number, because the mean of its divisors is an integer number (56835345).

Almost surely, 2^422043401 is an apocalyptic number.

It is an amenable number.

422043401 is a deficient number, since it is larger than the sum of its proper divisors (32639359).

422043401 is a wasteful number, since it uses less digits than its factorization.

422043401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12475.

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

The square root of 422043401 is about 20543.6949208267. The cubic root of 422043401 is about 750.0997799099.

Adding to 422043401 its reverse (104340224), we get a palindrome (526383625).

The spelling of 422043401 in words is "four hundred twenty-two million, forty-three thousand, four hundred one".