22021023104 has 96 divisors (see below), whose sum is σ = 47797151040. Its totient is φ = 10093870080.

The previous prime is 22021023097. The next prime is 22021023107. The reversal of 22021023104 is 40132012022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021023107) 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 11 ways as a sum of consecutive naturals, for example, 1424762 + ... + 1440134.

It is an arithmetic number, because the mean of its divisors is an integer number (497886990).

Almost surely, 2^22021023104 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 22021023104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23898575520).

22021023104 is an abundant number, since it is smaller than the sum of its proper divisors (25776127936).

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

22021023104 is a wasteful number, since it uses less digits than its factorization.

22021023104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456 (or 15425 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22021023104 its reverse (40132012022), we get a palindrome (62153035126).

The spelling of 22021023104 in words is "twenty-two billion, twenty-one million, twenty-three thousand, one hundred four".