22621086224 has 80 divisors (see below), whose sum is σ = 51612232320. Its totient is φ = 9496058880.

The previous prime is 22621086223. The next prime is 22621086263. The reversal of 22621086224 is 42268012622.

It is not an unprimeable number, because it can be changed into a prime (22621086223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21044 + ... + 213740.

It is an arithmetic number, because the mean of its divisors is an integer number (645152904).

Almost surely, 2^22621086224 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 22621086224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25806116160).

22621086224 is an abundant number, since it is smaller than the sum of its proper divisors (28991146096).

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

22621086224 is a wasteful number, since it uses less digits than its factorization.

22621086224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192768 (or 192762 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 22621086224 its reverse (42268012622), we get a palindrome (64889098846).

The spelling of 22621086224 in words is "twenty-two billion, six hundred twenty-one million, eighty-six thousand, two hundred twenty-four".