22220402222 has 4 divisors (see below), whose sum is σ = 33330603336. Its totient is φ = 11110201110.

The previous prime is 22220402161. The next prime is 22220402227.

22220402222 is nontrivially palindromic in base 10.

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 = 22220402194 and 22220402203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220402227) 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, 5555100554 + ... + 5555100557.

It is an arithmetic number, because the mean of its divisors is an integer number (8332650834).

Almost surely, 2^22220402222 is an apocalyptic number.

22220402222 is a deficient number, since it is larger than the sum of its proper divisors (11110201114).

22220402222 is a wasteful number, since it uses less digits than its factorization.

22220402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110201113.

The product of its (nonzero) digits is 1024, while the sum is 20.

The spelling of 22220402222 in words is "twenty-two billion, two hundred twenty million, four hundred two thousand, two hundred twenty-two".