422510551 has 2 divisors, whose sum is σ = 422510552. Its totient is φ = 422510550.

The previous prime is 422510521. The next prime is 422510567. The reversal of 422510551 is 155015224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422510551 - 2⁷ = 422510423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422510521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211255275 + 211255276.

It is an arithmetic number, because the mean of its divisors is an integer number (211255276).

Almost surely, 2^422510551 is an apocalyptic number.

422510551 is a deficient number, since it is larger than the sum of its proper divisors (1).

422510551 is an equidigital number, since it uses as much as digits as its factorization.

422510551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 422510551 is about 20555.0614448121. The cubic root of 422510551 is about 750.3764338466.

Adding to 422510551 its reverse (155015224), we get a palindrome (577525775).

The spelling of 422510551 in words is "four hundred twenty-two million, five hundred ten thousand, five hundred fifty-one".