22202022220 has 24 divisors (see below), whose sum is σ = 53284853664. Its totient is φ = 7612121856.

The previous prime is 22202022209. The next prime is 22202022221. The reversal of 22202022220 is 2222020222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22202022194 and 22202022203.

It is not an unprimeable number, because it can be changed into a prime (22202022221) 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, 79292797 + ... + 79293076.

It is an arithmetic number, because the mean of its divisors is an integer number (2220202236).

Almost surely, 2^22202022220 is an apocalyptic number.

22202022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202022220 is an abundant number, since it is smaller than the sum of its proper divisors (31082831444).

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

22202022220 is a wasteful number, since it uses less digits than its factorization.

22202022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158585889 (or 158585887 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22202022220 its reverse (2222020222), we get a palindrome (24424042442).

The spelling of 22202022220 in words is "twenty-two billion, two hundred two million, twenty-two thousand, two hundred twenty".