22024201212 has 96 divisors (see below), whose sum is σ = 61578182400. Its totient is φ = 6767188416.

The previous prime is 22024201211. The next prime is 22024201223. The reversal of 22024201212 is 21210242022.

22024201212 is a `hidden beast` number, since 220 + 2 + 420 + 1 + 21 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024201211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1026943 + ... + 1048169.

It is an arithmetic number, because the mean of its divisors is an integer number (641439400).

Almost surely, 2^22024201212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22024201212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30789091200).

22024201212 is an abundant number, since it is smaller than the sum of its proper divisors (39553981188).

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

22024201212 is a wasteful number, since it uses less digits than its factorization.

22024201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21992 (or 21984 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22024201212 its reverse (21210242022), we get a palindrome (43234443234).

The spelling of 22024201212 in words is "twenty-two billion, twenty-four million, two hundred one thousand, two hundred twelve".