22423478880 has 192 divisors, whose sum is σ = 77130144000. Its totient is φ = 5430712320.

The previous prime is 22423478867. The next prime is 22423478887. The reversal of 22423478880 is 8887432422.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423478887) 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, 10289631 + ... + 10291809.

It is an arithmetic number, because the mean of its divisors is an integer number (401719500).

Almost surely, 2^22423478880 is an apocalyptic number.

22423478880 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 22423478880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38565072000).

22423478880 is an abundant number, since it is smaller than the sum of its proper divisors (54706665120).

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

22423478880 is a wasteful number, since it uses less digits than its factorization.

22423478880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157 (or 4149 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 22423478880 in words is "twenty-two billion, four hundred twenty-three million, four hundred seventy-eight thousand, eight hundred eighty".