22220022222022 has 4 divisors (see below), whose sum is σ = 33330033333036. Its totient is φ = 11110011111010.

The previous prime is 22220022222007. The next prime is 22220022222023. The reversal of 22220022222022 is 22022222002222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22220022221984 and 22220022222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220022222023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555005555504 + ... + 5555005555507.

It is an arithmetic number, because the mean of its divisors is an integer number (8332508333259).

Almost surely, 2^{22220022222022} is an apocalyptic number.

22220022222022 is a deficient number, since it is larger than the sum of its proper divisors (11110011111014).

22220022222022 is a wasteful number, since it uses less digits than its factorization.

22220022222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110011111013.

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

Adding to 22220022222022 its reverse (22022222002222), we get a palindrome (44242244224244).

The spelling of 22220022222022 in words is "twenty-two trillion, two hundred twenty billion, twenty-two million, two hundred twenty-two thousand, twenty-two".