22121224062 has 32 divisors (see below), whose sum is σ = 50588928000. Its totient is φ = 6317083488.

The previous prime is 22121224061. The next prime is 22121224133. The reversal of 22121224062 is 26042212122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121224061) 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 15 ways as a sum of consecutive naturals, for example, 53262 + ... + 216977.

It is an arithmetic number, because the mean of its divisors is an integer number (1580904000).

Almost surely, 2^22121224062 is an apocalyptic number.

22121224062 is an abundant number, since it is smaller than the sum of its proper divisors (28467703938).

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

22121224062 is a wasteful number, since it uses less digits than its factorization.

22121224062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272200.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22121224062 its reverse (26042212122), we get a palindrome (48163436184).

The spelling of 22121224062 in words is "twenty-two billion, one hundred twenty-one million, two hundred twenty-four thousand, sixty-two".