222022202220 has 432 divisors, whose sum is σ = 851976635328. Its totient is φ = 45573580800.

The previous prime is 222022202147. The next prime is 222022202279. The reversal of 222022202220 is 22202220222.

222022202220 is a `hidden beast` number, since 2 + 220 + 2 + 220 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

222022202220 is a modest number, since divided by 22202220 gives 2220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 222022202193 and 222022202202.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 22419270 + ... + 22429170.

Almost surely, 2^222022202220 is an apocalyptic number.

222022202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222022202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425988317664).

222022202220 is an abundant number, since it is smaller than the sum of its proper divisors (629954433108).

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

222022202220 is a wasteful number, since it uses less digits than its factorization.

222022202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010 (or 9968 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 222022202220 its reverse (22202220222), we get a palindrome (244224422442).

The spelling of 222022202220 in words is "two hundred twenty-two billion, twenty-two million, two hundred two thousand, two hundred twenty".