422125051 has 2 divisors, whose sum is σ = 422125052. Its totient is φ = 422125050.

The previous prime is 422125043. The next prime is 422125061. The reversal of 422125051 is 150521224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422125051 - 2³ = 422125043 is a prime.

It is not a weakly prime, because it can be changed into another prime (422125061) 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, 211062525 + 211062526.

It is an arithmetic number, because the mean of its divisors is an integer number (211062526).

Almost surely, 2^422125051 is an apocalyptic number.

422125051 is a deficient number, since it is larger than the sum of its proper divisors (1).

422125051 is an equidigital number, since it uses as much as digits as its factorization.

422125051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 422125051 is about 20545.6820524411. The cubic root of 422125051 is about 750.1481491042.

Adding to 422125051 its reverse (150521224), we get a palindrome (572646275).

The spelling of 422125051 in words is "four hundred twenty-two million, one hundred twenty-five thousand, fifty-one".