422645838142 has 16 divisors (see below), whose sum is σ = 692409315312. Its totient is φ = 191887568320.

The previous prime is 422645838107. The next prime is 422645838149. The reversal of 422645838142 is 241838546224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422645838149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11189533 + ... + 11227240.

It is an arithmetic number, because the mean of its divisors is an integer number (43275582207).

Almost surely, 2^422645838142 is an apocalyptic number.

422645838142 is a deficient number, since it is larger than the sum of its proper divisors (269763477170).

422645838142 is a wasteful number, since it uses less digits than its factorization.

422645838142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22417643.

The product of its digits is 2949120, while the sum is 49.

The spelling of 422645838142 in words is "four hundred twenty-two billion, six hundred forty-five million, eight hundred thirty-eight thousand, one hundred forty-two".