422573141 has 4 divisors (see below), whose sum is σ = 422614284. Its totient is φ = 422532000.

The previous prime is 422573093. The next prime is 422573143. The reversal of 422573141 is 141375224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 198951025 + 223622116 = 14105^2 + 14954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422573141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422573143) 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, 9131 + ... + 30471.

It is an arithmetic number, because the mean of its divisors is an integer number (105653571).

Almost surely, 2^422573141 is an apocalyptic number.

It is an amenable number.

422573141 is a deficient number, since it is larger than the sum of its proper divisors (41143).

422573141 is a wasteful number, since it uses less digits than its factorization.

422573141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41142.

The product of its digits is 6720, while the sum is 29.

The square root of 422573141 is about 20556.5838844882. The cubic root of 422573141 is about 750.4134851833.

The spelling of 422573141 in words is "four hundred twenty-two million, five hundred seventy-three thousand, one hundred forty-one".