422510281250 has 42 divisors (see below), whose sum is σ = 792412142151. Its totient is φ = 168958150000.

The previous prime is 422510281243. The next prime is 422510281261. The reversal of 422510281250 is 52182015224.

It can be written as a sum of positive squares in 11 ways, for example, as 255810373729 + 166699907521 = 505777^2 + 408289^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459625.

It is a Duffinian number.

It is an unprimeable number.

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 20 ways as a sum of consecutive naturals, for example, 114904412 + ... + 114908088.

Almost surely, 2^422510281250 is an apocalyptic number.

422510281250 is a deficient number, since it is larger than the sum of its proper divisors (369901860901).

422510281250 is an frugal number, since it uses more digits than its factorization.

422510281250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7386 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Multiplying 422510281250 by its sum of digits (32), we get a square (13520329000000 = 3677000²).

Adding to 422510281250 its reverse (52182015224), we get a palindrome (474692296474).

The spelling of 422510281250 in words is "four hundred twenty-two billion, five hundred ten million, two hundred eighty-one thousand, two hundred fifty".