422820748525 has 12 divisors (see below), whose sum is σ = 599197403872. Its totient is φ = 289934227440.

The previous prime is 422820748513. The next prime is 422820748531. The reversal of 422820748525 is 525847028224.

It is not a de Polignac number, because 422820748525 - 2¹⁹ = 422820224237 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208059107 + ... + 1208059456.

Almost surely, 2^422820748525 is an apocalyptic number.

It is an amenable number.

422820748525 is a deficient number, since it is larger than the sum of its proper divisors (176376655347).

422820748525 is a wasteful number, since it uses less digits than its factorization.

422820748525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416118580 (or 2416118575 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 49.

The spelling of 422820748525 in words is "four hundred twenty-two billion, eight hundred twenty million, seven hundred forty-eight thousand, five hundred twenty-five".