422225051 has 2 divisors, whose sum is σ = 422225052. Its totient is φ = 422225050.

The previous prime is 422225047. The next prime is 422225057. The reversal of 422225051 is 150522224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422225051 - 2² = 422225047 is a prime.

It is not a weakly prime, because it can be changed into another prime (422225057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211112525 + 211112526.

It is an arithmetic number, because the mean of its divisors is an integer number (211112526).

Almost surely, 2^422225051 is an apocalyptic number.

422225051 is a deficient number, since it is larger than the sum of its proper divisors (1).

422225051 is an equidigital number, since it uses as much as digits as its factorization.

422225051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 422225051 is about 20548.1155097006. The cubic root of 422225051 is about 750.2073802822.

Adding to 422225051 its reverse (150522224), we get a palindrome (572747275).

The spelling of 422225051 in words is "four hundred twenty-two million, two hundred twenty-five thousand, fifty-one".