222202220220 has 96 divisors (see below), whose sum is σ = 691406802240. Its totient is φ = 59244410880.

The previous prime is 222202220209. The next prime is 222202220237. The reversal of 222202220220 is 22022202222.

222202220220 is a `hidden beast` number, since 2 + 2 + 220 + 2 + 220 + 220 = 666.

It is a super-3 number, since 3×222202220220³ (a number of 35 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 222202220193 and 222202220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3729384 + ... + 3788496.

It is an arithmetic number, because the mean of its divisors is an integer number (7202154190).

Almost surely, 2^222202220220 is an apocalyptic number.

222202220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202220220 is an abundant number, since it is smaller than the sum of its proper divisors (469204582020).

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

222202220220 is a wasteful number, since it uses less digits than its factorization.

222202220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66092 (or 66084 counting only the distinct ones).

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

Adding to 222202220220 its reverse (22022202222), we get a palindrome (244224422442).

It can be divided in two parts, 2 and 22202220220, that added together give a palindrome (22202220222).

The spelling of 222202220220 in words is "two hundred twenty-two billion, two hundred two million, two hundred twenty thousand, two hundred twenty".