422444203445 has 16 divisors (see below), whose sum is σ = 553094635392. Its totient is φ = 307189498560.

The previous prime is 422444203421. The next prime is 422444203451. The reversal of 422444203445 is 544302444224.

It is not a de Polignac number, because 422444203445 - 2¹² = 422444199349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422444203399 and 422444203408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130577 + ... + 928406.

It is an arithmetic number, because the mean of its divisors is an integer number (34568414712).

Almost surely, 2^422444203445 is an apocalyptic number.

It is an amenable number.

422444203445 is a deficient number, since it is larger than the sum of its proper divisors (130650431947).

422444203445 is a wasteful number, since it uses less digits than its factorization.

422444203445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066252.

The product of its (nonzero) digits is 491520, while the sum is 38.

Adding to 422444203445 its reverse (544302444224), we get a palindrome (966746647669).

The spelling of 422444203445 in words is "four hundred twenty-two billion, four hundred forty-four million, two hundred three thousand, four hundred forty-five".