2220220022 has 4 divisors (see below), whose sum is σ = 3330330036. Its totient is φ = 1110110010.

The previous prime is 2220220021. The next prime is 2220220027. The reversal of 2220220022 is 2200220222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2220219979 and 2220220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555055004 + ... + 555055007.

It is an arithmetic number, because the mean of its divisors is an integer number (832582509).

Almost surely, 2^2220220022 is an apocalyptic number.

2220220022 is a deficient number, since it is larger than the sum of its proper divisors (1110110014).

2220220022 is a wasteful number, since it uses less digits than its factorization.

2220220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110110013.

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

The square root of 2220220022 is about 47119.2107531525. The cubic root of 2220220022 is about 1304.5638451830.

Adding to 2220220022 its reverse (2200220222), we get a palindrome (4420440244).

It can be divided in two parts, 22202 and 20022, that added together give a palindrome (42224).

The spelling of 2220220022 in words is "two billion, two hundred twenty million, two hundred twenty thousand, twenty-two".