422001442 has 16 divisors (see below), whose sum is σ = 639240192. Its totient is φ = 208928160.

The previous prime is 422001439. The next prime is 422001449. The reversal of 422001442 is 244100224.

It is not an unprimeable number, because it can be changed into a prime (422001449) 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, 158958 + ... + 161590.

It is an arithmetic number, because the mean of its divisors is an integer number (39952512).

Almost surely, 2^422001442 is an apocalyptic number.

422001442 is a deficient number, since it is larger than the sum of its proper divisors (217238750).

422001442 is a wasteful number, since it uses less digits than its factorization.

422001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 422001442 is about 20542.6736818750. The cubic root of 422001442 is about 750.0749211081.

Adding to 422001442 its reverse (244100224), we get a palindrome (666101666).

The spelling of 422001442 in words is "four hundred twenty-two million, one thousand, four hundred forty-two".