22473221059872 has 288 divisors, whose sum is σ = 73207356586560. Its totient is φ = 6651688135680.

The previous prime is 22473221059777. The next prime is 22473221059879. The reversal of 22473221059872 is 27895012237422.

22473221059872 is a `hidden beast` number, since 2 + 2 + 4 + 7 + 32 + 2 + 10 + 598 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (22473221059879) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16933468 + ... + 18212324.

It is an arithmetic number, because the mean of its divisors is an integer number (254192210370).

Almost surely, 2^{22473221059872} is an apocalyptic number.

22473221059872 is a gapful number since it is divisible by the number (22) 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 22473221059872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36603678293280).

22473221059872 is an abundant number, since it is smaller than the sum of its proper divisors (50734135526688).

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

22473221059872 is a wasteful number, since it uses less digits than its factorization.

22473221059872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278973 (or 1278916 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 22473221059872 in words is "twenty-two trillion, four hundred seventy-three billion, two hundred twenty-one million, fifty-nine thousand, eight hundred seventy-two".