422400530 has 32 divisors (see below), whose sum is σ = 806955696. Its totient is φ = 158644224.

The previous prime is 422400521. The next prime is 422400541. The reversal of 422400530 is 35004224.

It can be written as a sum of positive squares in 8 ways, for example, as 335146249 + 87254281 = 18307^2 + 9341^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74972 + ... + 80408.

Almost surely, 2^422400530 is an apocalyptic number.

422400530 is a deficient number, since it is larger than the sum of its proper divisors (384555166).

422400530 is a wasteful number, since it uses less digits than its factorization.

422400530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 422400530 is about 20552.3850197489. The cubic root of 422400530 is about 750.3112959604.

Adding to 422400530 its reverse (35004224), we get a palindrome (457404754).

The spelling of 422400530 in words is "four hundred twenty-two million, four hundred thousand, five hundred thirty".