222220220022 has 48 divisors (see below), whose sum is σ = 483590435328. Its totient is φ = 73748526000.

The previous prime is 222220220021. The next prime is 222220220063. The reversal of 222220220022 is 220022022222.

222220220022 is a `hidden beast` number, since 222 + 220 + 2 + 200 + 22 = 666.

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 = 222220219977 and 222220220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220220021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13107283 + ... + 13124225.

It is an arithmetic number, because the mean of its divisors is an integer number (10074800736).

Almost surely, 2^222220220022 is an apocalyptic number.

222220220022 is an abundant number, since it is smaller than the sum of its proper divisors (261370215306).

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

222220220022 is a wasteful number, since it uses less digits than its factorization.

222220220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20105 (or 20102 counting only the distinct ones).

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

Adding to 222220220022 its reverse (220022022222), we get a palindrome (442242242244).

The spelling of 222220220022 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, twenty-two".