22222022022220 has 24 divisors (see below), whose sum is σ = 46666674203184. Its totient is φ = 8888727293376.

The previous prime is 22222022022209. The next prime is 22222022022229. The reversal of 22222022022220 is 2222022022222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22222022022191 and 22222022022200.

It is not an unprimeable number, because it can be changed into a prime (22222022022229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834862 + ... + 7244341.

It is an arithmetic number, because the mean of its divisors is an integer number (1944444758466).

Almost surely, 2^{22222022022220} is an apocalyptic number.

22222022022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222022022220 is an abundant number, since it is smaller than the sum of its proper divisors (24444652180964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22222022022220 is a wasteful number, since it uses less digits than its factorization.

22222022022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189449 (or 10189447 counting only the distinct ones).

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

Adding to 22222022022220 its reverse (2222022022222), we get a palindrome (24444044044442).

The spelling of 22222022022220 in words is "twenty-two trillion, two hundred twenty-two billion, twenty-two million, twenty-two thousand, two hundred twenty".