22027473520 has 160 divisors (see below), whose sum is σ = 57902544000. Its totient is φ = 7778174976.

The previous prime is 22027473473. The next prime is 22027473521. The reversal of 22027473520 is 2537472022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22027473521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4039756 + ... + 4045204.

It is an arithmetic number, because the mean of its divisors is an integer number (361890900).

Almost surely, 2^22027473520 is an apocalyptic number.

22027473520 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 22027473520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28951272000).

22027473520 is an abundant number, since it is smaller than the sum of its proper divisors (35875070480).

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

22027473520 is a wasteful number, since it uses less digits than its factorization.

22027473520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524 (or 5492 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The spelling of 22027473520 in words is "twenty-two billion, twenty-seven million, four hundred seventy-three thousand, five hundred twenty".