422366646473 has 4 divisors (see below), whose sum is σ = 427112339220. Its totient is φ = 417620953728.

The previous prime is 422366646463. The next prime is 422366646503. The reversal of 422366646473 is 374646663224.

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 73306645504 + 349060000969 = 270752^2 + 590813^2 .

It is a cyclic number.

It is not a de Polignac number, because 422366646473 - 2⁶ = 422366646409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422366646463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372846240 + ... + 2372846417.

It is an arithmetic number, because the mean of its divisors is an integer number (106778084805).

Almost surely, 2^422366646473 is an apocalyptic number.

It is an amenable number.

422366646473 is a deficient number, since it is larger than the sum of its proper divisors (4745692747).

422366646473 is an equidigital number, since it uses as much as digits as its factorization.

422366646473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745692746.

The product of its digits is 20901888, while the sum is 53.

The spelling of 422366646473 in words is "four hundred twenty-two billion, three hundred sixty-six million, six hundred forty-six thousand, four hundred seventy-three".