422720169111 has 12 divisors (see below), whose sum is σ = 620944881960. Its totient is φ = 277036946640.

The previous prime is 422720169103. The next prime is 422720169121. The reversal of 422720169111 is 111961027224.

422720169111 is a `hidden beast` number, since 422 + 72 + 0 + 169 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 422720169111 - 2³ = 422720169103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422720169121) by changing a digit.

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, 398041060 + ... + 398042121.

It is an arithmetic number, because the mean of its divisors is an integer number (51745406830).

Almost surely, 2^422720169111 is an apocalyptic number.

422720169111 is a deficient number, since it is larger than the sum of its proper divisors (198224712849).

422720169111 is a wasteful number, since it uses less digits than its factorization.

422720169111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796083246 (or 796083243 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 422720169111 in words is "four hundred twenty-two billion, seven hundred twenty million, one hundred sixty-nine thousand, one hundred eleven".