422020241 has 4 divisors (see below), whose sum is σ = 422331684. Its totient is φ = 421708800.

The previous prime is 422020231. The next prime is 422020243. The reversal of 422020241 is 142020224.

It is a happy number.

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 47210641 + 374809600 = 6871^2 + 19360^2 .

It is a cyclic number.

It is not a de Polignac number, because 422020241 - 2¹⁸ = 421758097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422020243) 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, 153680 + ... + 156401.

It is an arithmetic number, because the mean of its divisors is an integer number (105582921).

Almost surely, 2^422020241 is an apocalyptic number.

It is an amenable number.

422020241 is a deficient number, since it is larger than the sum of its proper divisors (311443).

422020241 is a wasteful number, since it uses less digits than its factorization.

422020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311442.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 422020241 is about 20543.1312364985. The cubic root of 422020241 is about 750.0860588655.

Subtracting from 422020241 its sum of digits (17), we obtain a palindrome (422020224).

Adding to 422020241 its reverse (142020224), we get a palindrome (564040465).

The spelling of 422020241 in words is "four hundred twenty-two million, twenty thousand, two hundred forty-one".