422541491 has 2 divisors, whose sum is σ = 422541492. Its totient is φ = 422541490.

The previous prime is 422541461. The next prime is 422541499. The reversal of 422541491 is 194145224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422541491 is a prime.

It is a super-3 number, since 3×422541491³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (422541499) 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 as a sum of consecutive naturals, namely, 211270745 + 211270746.

It is an arithmetic number, because the mean of its divisors is an integer number (211270746).

Almost surely, 2^422541491 is an apocalyptic number.

422541491 is a deficient number, since it is larger than the sum of its proper divisors (1).

422541491 is an equidigital number, since it uses as much as digits as its factorization.

422541491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 422541491 is about 20555.8140437201. The cubic root of 422541491 is about 750.3947498233.

The spelling of 422541491 in words is "four hundred twenty-two million, five hundred forty-one thousand, four hundred ninety-one".