22022440222 has 4 divisors (see below), whose sum is σ = 33033660336. Its totient is φ = 11011220110.

The previous prime is 22022440217. The next prime is 22022440229. The reversal of 22022440222 is 22204422022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22204422022 = 2 ⋅11102211011.

It is a junction number, because it is equal to n+sod(n) for n = 22022440193 and 22022440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022440229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505610054 + ... + 5505610057.

It is an arithmetic number, because the mean of its divisors is an integer number (8258415084).

Almost surely, 2^22022440222 is an apocalyptic number.

22022440222 is a deficient number, since it is larger than the sum of its proper divisors (11011220114).

22022440222 is a wasteful number, since it uses less digits than its factorization.

22022440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011220113.

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

Adding to 22022440222 its reverse (22204422022), we get a palindrome (44226862244).

The spelling of 22022440222 in words is "twenty-two billion, twenty-two million, four hundred forty thousand, two hundred twenty-two".