422400134 has 16 divisors (see below), whose sum is σ = 718252080. Its totient is φ = 184692960.

The previous prime is 422400131. The next prime is 422400151. The reversal of 422400134 is 431004224.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422400131) 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, 427037 + ... + 428024.

It is an arithmetic number, because the mean of its divisors is an integer number (44890755).

Almost surely, 2^422400134 is an apocalyptic number.

422400134 is a deficient number, since it is larger than the sum of its proper divisors (295851946).

422400134 is a wasteful number, since it uses less digits than its factorization.

422400134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855095.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422400134 is about 20552.3753858283. The cubic root of 422400134 is about 750.3110614883.

Adding to 422400134 its reverse (431004224), we get a palindrome (853404358).

The spelling of 422400134 in words is "four hundred twenty-two million, four hundred thousand, one hundred thirty-four".