22220002222 has 24 divisors (see below), whose sum is σ = 36998226216. Its totient is φ = 9999990000.

The previous prime is 22220002199. The next prime is 22220002241.

It is a happy number.

22220002222 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22220002196 and 22220002205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430104 + ... + 478987.

It is an arithmetic number, because the mean of its divisors is an integer number (1541592759).

Almost surely, 2^22220002222 is an apocalyptic number.

22220002222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22220002222 is a deficient number, since it is larger than the sum of its proper divisors (14778223994).

22220002222 is a wasteful number, since it uses less digits than its factorization.

22220002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909216 (or 909205 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

It can be divided in two parts, 2222000 and 2222, that added together give a palindrome (2224222).

The spelling of 22220002222 in words is "twenty-two billion, two hundred twenty million, two thousand, two hundred twenty-two".