422573143 has 2 divisors, whose sum is σ = 422573144. Its totient is φ = 422573142.

The previous prime is 422573093. The next prime is 422573153. The reversal of 422573143 is 341375224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422573143 is a prime.

It is a super-2 number, since 2×422573143² = 357136122369796898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422573153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211286571 + 211286572.

It is an arithmetic number, because the mean of its divisors is an integer number (211286572).

Almost surely, 2^422573143 is an apocalyptic number.

422573143 is a deficient number, since it is larger than the sum of its proper divisors (1).

422573143 is an equidigital number, since it uses as much as digits as its factorization.

422573143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 422573143 is about 20556.5839331344. The cubic root of 422573143 is about 750.4134863672.

The spelling of 422573143 in words is "four hundred twenty-two million, five hundred seventy-three thousand, one hundred forty-three".