222220022 has 16 divisors (see below), whose sum is σ = 354465072. Its totient is φ = 104121600.

The previous prime is 222220021. The next prime is 222220027. The reversal of 222220022 is 220022222.

It is a happy number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222219979 and 222220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104 + ... + 21947.

It is an arithmetic number, because the mean of its divisors is an integer number (22154067).

Almost surely, 2^222220022 is an apocalyptic number.

222220022 is a deficient number, since it is larger than the sum of its proper divisors (132245050).

222220022 is a wasteful number, since it uses less digits than its factorization.

222220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28303.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 222220022 is about 14907.0460521191. The cubic root of 222220022 is about 605.7048652362.

Adding to 222220022 its reverse (220022222), we get a palindrome (442242244).

It can be divided in two parts, 2222200 and 22, that added together give a palindrome (2222222).

The spelling of 222220022 in words is "two hundred twenty-two million, two hundred twenty thousand, twenty-two".