422002444 has 12 divisors (see below), whose sum is σ = 740220768. Its totient is φ = 210510800.

The previous prime is 422002423. The next prime is 422002447. The reversal of 422002444 is 444200224.

It is not an unprimeable number, because it can be changed into a prime (422002447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120667 + ... + 124114.

It is an arithmetic number, because the mean of its divisors is an integer number (61685064).

Almost surely, 2^422002444 is an apocalyptic number.

It is an amenable number.

422002444 is a deficient number, since it is larger than the sum of its proper divisors (318218324).

422002444 is a wasteful number, since it uses less digits than its factorization.

422002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245216 (or 245214 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 422002444 is about 20542.6980701173. The cubic root of 422002444 is about 750.0755147668.

Adding to 422002444 its reverse (444200224), we get a palindrome (866202668).

It can be divided in two parts, 42200 and 2444, that added together give a palindrome (44644).

The spelling of 422002444 in words is "four hundred twenty-two million, two thousand, four hundred forty-four".