22048575840 has 336 divisors, whose sum is σ = 82217646000. Its totient is φ = 5569606656.

The previous prime is 22048575803. The next prime is 22048575841. The reversal of 22048575840 is 4857584022.

22048575840 is a `hidden beast` number, since 2 + 20 + 48 + 5 + 7 + 584 + 0 = 666.

It is a super-2 number, since 2×22048575840² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22048575841) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2211186 + ... + 2221134.

It is an arithmetic number, because the mean of its divisors is an integer number (244695375).

Almost surely, 2^22048575840 is an apocalyptic number.

22048575840 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 22048575840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41108823000).

22048575840 is an abundant number, since it is smaller than the sum of its proper divisors (60169070160).

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

22048575840 is an equidigital number, since it uses as much as digits as its factorization.

22048575840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001 (or 9978 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The spelling of 22048575840 in words is "twenty-two billion, forty-eight million, five hundred seventy-five thousand, eight hundred forty".