422440141 has 4 divisors (see below), whose sum is σ = 426795292. Its totient is φ = 418084992.

The previous prime is 422440111. The next prime is 422440169. The reversal of 422440141 is 141044224.

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 197290116 + 225150025 = 14046^2 + 15005^2 .

It is a cyclic number.

It is not a de Polignac number, because 422440141 - 2⁹ = 422439629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422440111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177430 + ... + 2177623.

It is an arithmetic number, because the mean of its divisors is an integer number (106698823).

Almost surely, 2^422440141 is an apocalyptic number.

It is an amenable number.

422440141 is a deficient number, since it is larger than the sum of its proper divisors (4355151).

422440141 is an equidigital number, since it uses as much as digits as its factorization.

422440141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355150.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 422440141 is about 20553.3486566058. The cubic root of 422440141 is about 750.3347489390.

Adding to 422440141 its reverse (141044224), we get a palindrome (563484365).

The spelling of 422440141 in words is "four hundred twenty-two million, four hundred forty thousand, one hundred forty-one".