422220434 has 16 divisors (see below), whose sum is σ = 655361280. Its totient is φ = 203800080.

The previous prime is 422220433. The next prime is 422220443. The reversal of 422220434 is 434022224.

It is not an unprimeable number, because it can be changed into a prime (422220433) 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, 17852 + ... + 34104.

It is an arithmetic number, because the mean of its divisors is an integer number (40960080).

Almost surely, 2^422220434 is an apocalyptic number.

422220434 is a deficient number, since it is larger than the sum of its proper divisors (233140846).

422220434 is a wasteful number, since it uses less digits than its factorization.

422220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16705.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 422220434 is about 20548.0031633247. The cubic root of 422220434 is about 750.2046457847.

Adding to 422220434 its reverse (434022224), we get a palindrome (856242658).

The spelling of 422220434 in words is "four hundred twenty-two million, two hundred twenty thousand, four hundred thirty-four".