22102202012 has 12 divisors (see below), whose sum is σ = 42195113016. Its totient is φ = 10046455440.

The previous prime is 22102201997. The next prime is 22102202047. The reversal of 22102202012 is 21020220122.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 251161343 + ... + 251161430.

It is an arithmetic number, because the mean of its divisors is an integer number (3516259418).

Almost surely, 2^22102202012 is an apocalyptic number.

22102202012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22102202012 is a deficient number, since it is larger than the sum of its proper divisors (20092911004).

22102202012 is a wasteful number, since it uses less digits than its factorization.

22102202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502322788 (or 502322786 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22102202012 its reverse (21020220122), we get a palindrome (43122422134).

The spelling of 22102202012 in words is "twenty-two billion, one hundred two million, two hundred two thousand, twelve".