22002045422 has 64 divisors (see below), whose sum is σ = 41015310336. Its totient is φ = 8637166080.

The previous prime is 22002045421. The next prime is 22002045487. The reversal of 22002045422 is 22454020022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002045421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2019233 + ... + 2030099.

It is an arithmetic number, because the mean of its divisors is an integer number (640864224).

Almost surely, 2^22002045422 is an apocalyptic number.

22002045422 is a deficient number, since it is larger than the sum of its proper divisors (19013264914).

22002045422 is a wasteful number, since it uses less digits than its factorization.

22002045422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121.

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 22002045422 its reverse (22454020022), we get a palindrome (44456065444).

The spelling of 22002045422 in words is "twenty-two billion, two million, forty-five thousand, four hundred twenty-two".