22222102012 has 24 divisors (see below), whose sum is σ = 42844061232. Its totient is φ = 10000944000.

The previous prime is 22222101953. The next prime is 22222102033. The reversal of 22222102012 is 21020122222.

It is a congruent number.

It is an unprimeable number.

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, 2495793 + ... + 2504680.

It is an arithmetic number, because the mean of its divisors is an integer number (1785169218).

Almost surely, 2^22222102012 is an apocalyptic number.

22222102012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22222102012 is a deficient number, since it is larger than the sum of its proper divisors (20621959220).

22222102012 is a wasteful number, since it uses less digits than its factorization.

22222102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000589 (or 5000587 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22222102012 its reverse (21020122222), we get a palindrome (43242224234).

It can be divided in two parts, 2222210 and 2012, that added together give a palindrome (2224222).

The spelling of 22222102012 in words is "twenty-two billion, two hundred twenty-two million, one hundred two thousand, twelve".