422506604258 has 6 divisors (see below), whose sum is σ = 633761285259. Its totient is φ = 211252842506.

The previous prime is 422506604189. The next prime is 422506604287. The reversal of 422506604258 is 852406605224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 211253302129 + 211253302129 = 459623^2 + 459623^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459623.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 689435 + ... + 1149057.

Almost surely, 2^422506604258 is an apocalyptic number.

422506604258 is a deficient number, since it is larger than the sum of its proper divisors (211254681001).

422506604258 is an frugal number, since it uses more digits than its factorization.

422506604258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919248 (or 459625 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 422506604258 in words is "four hundred twenty-two billion, five hundred six million, six hundred four thousand, two hundred fifty-eight".