22220240222 has 16 divisors (see below), whose sum is σ = 33632476992. Its totient is φ = 11009456640.

The previous prime is 22220240197. The next prime is 22220240261. The reversal of 22220240222 is 22204202222.

It is a junction number, because it is equal to n+sod(n) for n = 22220240194 and 22220240203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602443 + ... + 1616249.

It is an arithmetic number, because the mean of its divisors is an integer number (2102029812).

Almost surely, 2^22220240222 is an apocalyptic number.

22220240222 is a deficient number, since it is larger than the sum of its proper divisors (11412236770).

22220240222 is a wasteful number, since it uses less digits than its factorization.

22220240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21043.

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

Adding to 22220240222 its reverse (22204202222), we get a palindrome (44424442444).

The spelling of 22220240222 in words is "twenty-two billion, two hundred twenty million, two hundred forty thousand, two hundred twenty-two".