422145601 has 8 divisors (see below), whose sum is σ = 427312800. Its totient is φ = 416988000.

The previous prime is 422145593. The next prime is 422145613. The reversal of 422145601 is 106541224.

It is a happy number.

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 422145601 - 2³ = 422145593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422145301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128226 + ... + 131476.

It is an arithmetic number, because the mean of its divisors is an integer number (53414100).

Almost surely, 2^422145601 is an apocalyptic number.

It is an amenable number.

422145601 is a deficient number, since it is larger than the sum of its proper divisors (5167199).

422145601 is a wasteful number, since it uses less digits than its factorization.

422145601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 422145601 is about 20546.1821514363. The cubic root of 422145601 is about 750.1603218749.

Adding to 422145601 its reverse (106541224), we get a palindrome (528686825).

The spelling of 422145601 in words is "four hundred twenty-two million, one hundred forty-five thousand, six hundred one".