22223544000 has 224 divisors, whose sum is σ = 83865939456. Its totient is φ = 5079628800.

The previous prime is 22223543963. The next prime is 22223544023. The reversal of 22223544000 is 44532222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101859 + ... + 234141.

Almost surely, 2^22223544000 is an apocalyptic number.

22223544000 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 22223544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41932969728).

22223544000 is an abundant number, since it is smaller than the sum of its proper divisors (61642395456).

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

22223544000 is a wasteful number, since it uses less digits than its factorization.

22223544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132320 (or 132300 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The spelling of 22223544000 in words is "twenty-two billion, two hundred twenty-three million, five hundred forty-four thousand".