422030045 has 4 divisors (see below), whose sum is σ = 506436060. Its totient is φ = 337624032.

The previous prime is 422030039. The next prime is 422030047. The reversal of 422030045 is 540030224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194714116 + 227315929 = 13954^2 + 15077^2 .

It is a cyclic number.

It is not a de Polignac number, because 422030045 - 2¹² = 422025949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422029999 and 422030026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422030047) 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 in 3 ways as a sum of consecutive naturals, for example, 42203000 + ... + 42203009.

It is an arithmetic number, because the mean of its divisors is an integer number (126609015).

Almost surely, 2^422030045 is an apocalyptic number.

It is an amenable number.

422030045 is a deficient number, since it is larger than the sum of its proper divisors (84406015).

422030045 is an equidigital number, since it uses as much as digits as its factorization.

422030045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84406014.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 422030045 is about 20543.3698550165. The cubic root of 422030045 is about 750.0918672653.

Adding to 422030045 its reverse (540030224), we get a palindrome (962060269).

The spelling of 422030045 in words is "four hundred twenty-two million, thirty thousand, forty-five".