22022244004 has 6 divisors (see below), whose sum is σ = 38538927014. Its totient is φ = 11011122000.

The previous prime is 22022243953. The next prime is 22022244017. The reversal of 22022244004 is 40044222022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16223116900 + 5799127104 = 127370^2 + 76152^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752780497 + ... + 2752780504.

Almost surely, 2^22022244004 is an apocalyptic number.

It is an amenable number.

22022244004 is a deficient number, since it is larger than the sum of its proper divisors (16516683010).

22022244004 is a wasteful number, since it uses less digits than its factorization.

22022244004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505561005 (or 5505561003 counting only the distinct ones).

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

Adding to 22022244004 its reverse (40044222022), we get a palindrome (62066466026).

The spelling of 22022244004 in words is "twenty-two billion, twenty-two million, two hundred forty-four thousand, four".