22010022012 has 24 divisors (see below), whose sum is σ = 56025510912. Its totient is φ = 6669703600.

The previous prime is 22010022007. The next prime is 22010022079. The reversal of 22010022012 is 21022001022.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 83371164 + ... + 83371427.

It is an arithmetic number, because the mean of its divisors is an integer number (2334396288).

Almost surely, 2^22010022012 is an apocalyptic number.

22010022012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22010022012 is an abundant number, since it is smaller than the sum of its proper divisors (34015488900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22010022012 is a wasteful number, since it uses less digits than its factorization.

22010022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166742609 (or 166742607 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22010022012 its reverse (21022001022), we get a palindrome (43032023034).

The spelling of 22010022012 in words is "twenty-two billion, ten million, twenty-two thousand, twelve".