22212011000 has 64 divisors (see below), whose sum is σ = 52015279680. Its totient is φ = 8878108800.

The previous prime is 22212010993. The next prime is 22212011057. The reversal of 22212011000 is 11021222.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1445357 + ... + 1460643.

It is an arithmetic number, because the mean of its divisors is an integer number (812738745).

Almost surely, 2^22212011000 is an apocalyptic number.

22212011000 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 22212011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26007639840).

22212011000 is an abundant number, since it is smaller than the sum of its proper divisors (29803268680).

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

22212011000 is a wasteful number, since it uses less digits than its factorization.

22212011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16761 (or 16747 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22212011000 its reverse (11021222), we get a palindrome (22223032222).

The spelling of 22212011000 in words is "twenty-two billion, two hundred twelve million, eleven thousand".