22012234000 has 80 divisors (see below), whose sum is σ = 53310980736. Its totient is φ = 8790768000.

The previous prime is 22012233977. The next prime is 22012234021. The reversal of 22012234000 is 43221022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285495 + ... + 1302505.

Almost surely, 2^22012234000 is an apocalyptic number.

22012234000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012234000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26655490368).

22012234000 is an abundant number, since it is smaller than the sum of its proper divisors (31298746736).

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

22012234000 is a wasteful number, since it uses less digits than its factorization.

22012234000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17681 (or 17665 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22012234000 its reverse (43221022), we get a palindrome (22055455022).

The spelling of 22012234000 in words is "twenty-two billion, twelve million, two hundred thirty-four thousand".