422655111 has 16 divisors (see below), whose sum is σ = 631091200. Its totient is φ = 279549144.

The previous prime is 422655109. The next prime is 422655131. The reversal of 422655111 is 111556224.

422655111 is a `hidden beast` number, since 4 + 2 + 2 + 655 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 422655111 - 2¹ = 422655109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422655131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58201 + ... + 65058.

It is an arithmetic number, because the mean of its divisors is an integer number (39443200).

Almost surely, 2^422655111 is an apocalyptic number.

422655111 is a deficient number, since it is larger than the sum of its proper divisors (208436089).

422655111 is a wasteful number, since it uses less digits than its factorization.

422655111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123395 (or 123389 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 422655111 is about 20558.5775529340. The cubic root of 422655111 is about 750.4620033454.

The spelling of 422655111 in words is "four hundred twenty-two million, six hundred fifty-five thousand, one hundred eleven".